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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Estradiol, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Estradiol impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Estradiol-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Estradiol Related Compounds

Stable Isotopes

"4-Hydroxy-17-β-estradiol-16,16,17-d5"
  • CAT. No.CS-T-55995
  • CAS. No.221093-38-5
  • Mol. F.Not Available
  • Mol. W.Not Available
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"9,11-ESTRADIOL D3"
  • CAT. No.CS-O-14739
  • CAS. No.791-69-5 (Unlabeled)
  • Mol. F.Not Available
  • Mol. W.Not Available
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[13C3]-17-beta-Estradiol
[13C3]-17-beta-Estradiol
  • CAT. No.CS-EK-00876
  • CAS. No.1261254-48-1
  • Mol. F.Not Available
  • Mol. W.Not Available
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∆8,9-Dehydro-17b-estradiol-16,16,17-d3 (major)
∆8,9-Dehydro-17b-estradiol-16,16,17-d3 (major)
  • CAT. No.CS-T-99639
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
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∆9,11-Estradiol-d3
∆9,11-Estradiol-d3
  • CAT. No.CS-T-99571
  • CAS. No.Not Available
  • Mol. F.C18H19D3O2
  • Mol. W.273.4 g/mol
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16a-Hydroxy-17ß-estradiol-2,4 D2
16a-Hydroxy-17ß-estradiol-2,4 D2
  • CAT. No.CS-C-01035
  • CAS. No.53866-32-3
  • Mol. F.-
  • Mol. W.290.4 g/mol
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16alpha-Hydroxy-17beta-estradiol-2,4-d2
16alpha-Hydroxy-17beta-estradiol-2,4-d2
  • CAT. No.CS-C-01000
  • CAS. No.366495-94-5
  • Mol. F.Not Available
  • Mol. W.Not Available
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16-Keto-17β-estradiol-2,4,15,15,17-d5
16-Keto-17β-estradiol-2,4,15,15,17-d5
  • CAT. No.CS-C-01029
  • CAS. No.566-75-6(unlabelled)
  • Mol. F.C18H17D5O3
  • Mol. W.291.4 g/mol
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16α-Hydroxyestradiol-[2,3,4-13C3] (Solution)
16α-Hydroxyestradiol-[2,3,4-13C3] (Solution)
  • CAT. No.CS-I-00589
  • CAS. No.1255639-56-5
  • Mol. F.Not Available
  • Mol. W.Not Available
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17 α Ethinyl Estradiol D4
17 α Ethinyl Estradiol D4
  • CAT. No.CS-O-02753
  • CAS. No.350820-06-3
  • Mol. F.C₂₀H₂₀D₄O₂
  • Mol. W.300.43 g/mol
  • Stock Status:Instock
17-β-Estradiol-d3-β-D-Glucuronide
17-β-Estradiol-d3-β-D-Glucuronide
  • CAT. No.CS-T-54240
  • CAS. No.1260231-06-8
  • Mol. F.Not Available
  • Mol. W.Not Available
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17?-Estradiol 17-Sulfate Potassium Salt-d3
17?-Estradiol 17-Sulfate Potassium Salt-d3
  • CAT. No.CS-T-99251
  • CAS. No.Not Available
  • Mol. F.C18H20D3KO5S
  • Mol. W.393.55 g/mol
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17?-Ethynylestradiol-16,16-d2 3-Methyl Ether
17?-Ethynylestradiol-16,16-d2 3-Methyl Ether
  • CAT. No.CS-C-01053
  • CAS. No.72-33-3 (Unlabelled)
  • Mol. F.C21H24D2O2
  • Mol. W.312.44 g/mol
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17?-Ethynylestradiol-2,4,16,16-d4 3-Methyl Ether
17?-Ethynylestradiol-2,4,16,16-d4 3-Methyl Ether
  • CAT. No.CS-C-01068
  • CAS. No.72-33-3 (Unlabelled)
  • Mol. F.C21H22D4O2
  • Mol. W.314.45 g/mol
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17b-Acetyl-estradiol-d3 3-(Tri-O-acetyl-b-D-glucuronic Acid Methyl Ester)
17b-Acetyl-estradiol-d3 3-(Tri-O-acetyl-b-D-glucuronic Acid Methyl Ester)
  • CAT. No.CS-T-99708
  • CAS. No.Not Available
  • Mol. F.C33H39D3O12
  • Mol. W.633.7 g/mol
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17b-Estradiol-d3 17-Acetate
17b-Estradiol-d3 17-Acetate
  • CAT. No.CS-T-97531
  • CAS. No.Not Available
  • Mol. F.C20H23D3O3
  • Mol. W.317.44 g/mol
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17beta-Estradiol 3-O-Sulfate-d3 Sodium Salt
17beta-Estradiol 3-O-Sulfate-d3 Sodium Salt
  • CAT. No.CS-T-94918
  • CAS. No.4999-79-5 (Unlabelled0
  • Mol. F.C18H21D3NaO5S
  • Mol. W.378.45 g/mol
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17beta-Estradiol-16,16-d2
17beta-Estradiol-16,16-d2
  • CAT. No.CS-T-94789
  • CAS. No.3188-46-3
  • Mol. F.C18H22D2O2
  • Mol. W.274.4 g/mol
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17beta-Estradiol-17-valerate-d4
17beta-Estradiol-17-valerate-d4
  • CAT. No.CS-T-99567
  • CAS. No.Not Available
  • Mol. F.C23H28D4O3
  • Mol. W.360.52 g/mol
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17beta-Estradiol-d3 17-Acetate 3-beta-D-Glucuronide
17beta-Estradiol-d3 17-Acetate 3-beta-D-Glucuronide
  • CAT. No.CS-T-94916
  • CAS. No.Not Available
  • Mol. F.C₂₆H₃₁D₃O₉
  • Mol. W.493.56 g/mol
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17α-Ethynylestradiol 13C3
17α-Ethynylestradiol 13C3
  • CAT. No.CS-EK-01486
  • CAS. No.57-63-6 unlabeled
  • Mol. F.Not Available
  • Mol. W.Not Available
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17β-Estradiol-16,16,17-d3 3-Benzoate
17β-Estradiol-16,16,17-d3 3-Benzoate
  • CAT. No.CS-T-94917
  • CAS. No.1192354-74-7
  • Mol. F.C25H25D3O3
  • Mol. W.379.51 g/mol
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17α-Estradiol-2,4-d2
17α-Estradiol-2,4-d2
  • CAT. No.CS-T-94788
  • CAS. No.81586-94-9
  • Mol. F.C18H22D2O2
  • Mol. W.274.4 g/mol
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17α-Estradiol-D3
17α-Estradiol-D3
  • CAT. No.CS-O-42927
  • CAS. No.57-91-0 (Unlabelled)
  • Mol. F.C18H21D3O2
  • Mol. W.275.40 g/mol
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17β-Estradiol-[2,3,4-13C3] (Solution)
17β-Estradiol-[2,3,4-13C3] (Solution)
  • CAT. No.CS-I-00581
  • CAS. No.1261254-48-1
  • Mol. F.1
  • Mol. W.1 g/mol
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17β-Estradiol-13C2
17β-Estradiol-13C2
  • CAT. No.CS-T-92494
  • CAS. No.82938-05-4
  • Mol. F.Not Available
  • Mol. W.Not Available
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17β-Estradiol-13C3 Undecanoate
17β-Estradiol-13C3 Undecanoate
  • CAT. No.CS-I-00463
  • CAS. No.2482467-27-4
  • Mol. F.C2613C3H44O3
  • Mol. W.443.64 g/mol
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17-β-Estradiol-16,16,17 D3
17-β-Estradiol-16,16,17 D3
  • CAT. No.CS-O-10121
  • CAS. No.79037-37-9
  • Mol. F.C₁₈H₂₁D₃O₂
  • Mol. W.275.40 g/mol
  • Stock Status:Instock
17β-Estradiol-2,4,16,16-d4 17-Pentanoate
17β-Estradiol-2,4,16,16-d4 17-Pentanoate
  • CAT. No.CS-C-01242
  • CAS. No.2673269-82-2
  • Mol. F.Not Available
  • Mol. W.Not Available
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17β-Estradiol-d3 17β-D-Glucuronide
17β-Estradiol-d3 17β-D-Glucuronide
  • CAT. No.CS-T-99572
  • CAS. No.Not Available
  • Mol. F.C24H29D3O8
  • Mol. W.451.52 g/mol
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17β-Estradiol-d5 Cyclic Ethylene Acetal
17β-Estradiol-d5 Cyclic Ethylene Acetal
  • CAT. No.CS-T-99564
  • CAS. No.Not Available
  • Mol. F.C20H21D5O4
  • Mol. W.335.45 g/mol
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2,4-Dideuterioestradiol
2,4-Dideuterioestradiol
  • CAT. No.CS-ZH-35694
  • CAS. No.53866-33-4
  • Mol. F.C18H24O2
  • Mol. W.274.4 g/mol
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2-Hydroxy-17ß-estradiol-1,4,16,16,17-d5
2-Hydroxy-17ß-estradiol-1,4,16,16,17-d5
  • CAT. No.CS-C-01001
  • CAS. No.221093-33-0
  • Mol. F.Not Available
  • Mol. W.Not Available
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2-Methoxy 17β-Estradiol-16,16,17-d3
2-Methoxy 17β-Estradiol-16,16,17-d3
  • CAT. No.CS-T-99489
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
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2-Methoxy-[13C,d3]-estradiol
2-Methoxy-[13C,d3]-estradiol
  • CAT. No.CS-I-00475
  • CAS. No.1217470-09-1
  • Mol. F.C1813CH23D3O3
  • Mol. W.306.42 g/mol
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2-Methoxy-17beta-estradiol-1,4,16,16,17-d5
2-Methoxy-17beta-estradiol-1,4,16,16,17-d5
  • CAT. No.CS-ZG-52324
  • CAS. No.358731-34-7
  • Mol. F.C19H26O3
  • Mol. W.307.4 g/mol
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2-Methoxy-d3 17β-Estradiol
2-Methoxy-d3 17β-Estradiol
  • CAT. No.CS-T-99490
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
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2-Methyl Estradiol-d3
2-Methyl Estradiol-d3
  • CAT. No.CS-T-99484
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
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2-Methyl-d3 Ethynyl Estradiol
2-Methyl-d3 Ethynyl Estradiol
  • CAT. No.CS-T-99478
  • CAS. No.Not Available
  • Mol. F.C21H23D3O2
  • Mol. W.313.45 g/mol
  • Stock Status:Please Enquire
3-O-Benzyl 17a-Estradiol-d3
3-O-Benzyl 17a-Estradiol-d3
  • CAT. No.CS-T-99694
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
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3-O-Benzyl 17b-Estradiol-d3 17-Acetate
3-O-Benzyl 17b-Estradiol-d3 17-Acetate
  • CAT. No.CS-T-99695
  • CAS. No.Not Available
  • Mol. F.C27H29D3O3
  • Mol. W.407.56 g/mol
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3-O-Methyl 6-Keto 17b-Estradiol-d2 17-O-Tetrahydropyran
3-O-Methyl 6-Keto 17b-Estradiol-d2 17-O-Tetrahydropyran
  • CAT. No.CS-T-99470
  • CAS. No.Not Available
  • Mol. F.C24H30D2O4
  • Mol. W.386.52 g/mol
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3-O-Methyl 6-Keto 17β-Estradiol-d2 17-O-Tetrahydropyran
3-O-Methyl 6-Keto 17β-Estradiol-d2 17-O-Tetrahydropyran
  • CAT. No.CS-T-94432
  • CAS. No.174497-42-8(unlabelled)
  • Mol. F.C24H30D2O4
  • Mol. W.386.52 g/mol
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3-O-Methyl Estradiol-d3
3-O-Methyl Estradiol-d3
  • CAT. No.CS-T-80068
  • CAS. No.57983-88-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Methyl Estradiol-d5
3-O-Methyl Estradiol-d5
  • CAT. No.CS-T-99482
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
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4-Carboxyl-17β-Estradiol-d3
4-Carboxyl-17β-Estradiol-d3
  • CAT. No.CS-T-99578
  • CAS. No.Not Available
  • Mol. F.C19H21D3O4
  • Mol. W.319.41 g/mol
  • Stock Status:Please Enquire
4-Hydroxyestradiol-2-glutathione-15N3
4-Hydroxyestradiol-2-glutathione-15N3
  • CAT. No.CS-T-97439
  • CAS. No.Not Available
  • Mol. F.C28H39¹5N3O9S
  • Mol. W.596.67 g/mol
  • Stock Status:Please Enquire
4-Methoxy 17β-Estradiol-16,16,17-d3
4-Methoxy 17β-Estradiol-16,16,17-d3
  • CAT. No.CS-T-99488
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Methoxy-[13C,d3]-estradiol
4-Methoxy-[13C,d3]-estradiol
  • CAT. No.CS-I-00476
  • CAS. No.1217442-62-0
  • Mol. F.C1813CH23D3O3
  • Mol. W.306.42 g/mol
  • Stock Status:Please Enquire
4-Methoxy-17beta-estradiol-1,2,16,16,17-d5
4-Methoxy-17beta-estradiol-1,2,16,16,17-d5
  • CAT. No.CS-C-01487
  • CAS. No.26788-23-8(unlabelled)
  • Mol. F.C19H21D5O3
  • Mol. W.307.44 g/mol
  • Stock Status:Please Enquire
4-Methoxy-d3 17-β-estradiol
4-Methoxy-d3 17-β-estradiol
  • CAT. No.CS-T-57699
  • CAS. No.1334143-12-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Methyl Estradiol-d3
4-Methyl Estradiol-d3
  • CAT. No.CS-T-99483
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
8,9-Dehydro-17b-estradiol 16,16,17-d3
8,9-Dehydro-17b-estradiol 16,16,17-d3
  • CAT. No.CS-C-00941
  • CAS. No.23392-54-3(unlabelled)
  • Mol. F.C18H19D3O2
  • Mol. W.273.38 g/mol
  • Stock Status:Instock
Estradiol 17-Palmitate-d31
Estradiol 17-Palmitate-d31
  • CAT. No.CS-T-92376
  • CAS. No.5776-45-4
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 17-Valerate-d12
Estradiol 17-Valerate-d12
  • CAT. No.CS-T-99568
  • CAS. No.Not Available
  • Mol. F.C23H20D12O3
  • Mol. W.368.57 g/mol
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Estradiol 17-Valerate-d9
Estradiol 17-Valerate-d9
  • CAT. No.CS-T-92481
  • CAS. No.1316648-98-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 3,17-Bis(enanthate-d13)
Estradiol 3,17-Bis(enanthate-d13)
  • CAT. No.CS-T-99570
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol D4
Estradiol D4
  • CAT. No.CS-O-06592
  • CAS. No.66789-03-5
  • Mol. F.C₁₈H₂₀D₄O₂
  • Mol. W.276.41 g/mol
  • Stock Status:Instock
Estradiol Sulphate D4 sodium
Estradiol Sulphate D4 sodium
  • CAT. No.CS-O-02830
  • CAS. No.352431-50-6
  • Mol. F.C₁₈H₁₉D₄NaO₅S
  • Mol. W.378.45 g/mol
  • Stock Status:Instock
Estradiol-(13,14,15,16,17,18-13C6)
Estradiol-(13,14,15,16,17,18-13C6)
  • CAT. No.CS-T-99573
  • CAS. No.Not Available
  • Mol. F.C12¹³C6H24O2
  • Mol. W.278.34 g/mol
  • Stock Status:Please Enquire
Estradiol-13C6
Estradiol-13C6
  • CAT. No.CS-O-42581
  • CAS. No.1075720-58-9
  • Mol. F.C1213C6H24O2
  • Mol. W.278.34 g/mol
  • Stock Status:Please Enquire
Estradiol-d3 3-Propyl Ether
Estradiol-d3 3-Propyl Ether
  • CAT. No.CS-T-99563
  • CAS. No.Not Available
  • Mol. F.C20H25D3O2
  • Mol. W.303.45 g/mol
  • Stock Status:Please Enquire
Estradiol-d3 Dicypionate
Estradiol-d3 Dicypionate
  • CAT. No.CS-T-99569
  • CAS. No.Not Available
  • Mol. F.C34H45D3O4
  • Mol. W.523.76 g/mol
  • Stock Status:Please Enquire
Ethinylestradiol -D4
Ethinylestradiol -D4
  • CAT. No.CS-O-35319
  • CAS. No.57-63-6(Unlabeled)
  • Mol. F.C20H20D4O2
  • Mol. W.300.43 g/mol
  • Stock Status:Please Enquire
Ethinylestradiol sulfate-D4
Ethinylestradiol sulfate-D4
  • CAT. No.CS-BU-00042
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethinylestradiol-d7
Ethinylestradiol-d7
  • CAT. No.CS-EO-02527
  • CAS. No.Not Available
  • Mol. F.C20H17D7O2
  • Mol. W.303.45 g/mol
  • Stock Status:Please Enquire
Ethynyl Estradiol 3-Sulfate Sodium Salt-d4 (Major)
Ethynyl Estradiol 3-Sulfate Sodium Salt-d4 (Major)
  • CAT. No.CS-T-102804
  • CAS. No.724762-79-2 (Unlabelled)
  • Mol. F.C15H11D3F17NO4S
  • Mol. W.630.33 g/mol
  • Stock Status:Please Enquire
Ethynyl Estradiol-13C2
Ethynyl Estradiol-13C2
  • CAT. No.CS-O-42582
  • CAS. No.2483735-63-1
  • Mol. F.C1813C2H24O2
  • Mol. W.298.39 g/mol
  • Stock Status:Please Enquire
Ethynyl Estradiol-2,4,9,6,6,16,16- D7
Ethynyl Estradiol-2,4,9,6,6,16,16- D7
  • CAT. No.CS-O-14062
  • CAS. No.57-63-6(Unlabeled)
  • Mol. F.C₂₀H₁₇D₇O₂
  • Mol. W.303.45 g/mol
  • Stock Status:Please Enquire
Ethynyl Estradiol-2,4,9,6,6,16,16-d7 (Major)
Ethynyl Estradiol-2,4,9,6,6,16,16-d7 (Major)
  • CAT. No.CS-T-95469
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethynyl Estradiol-d7
Ethynyl Estradiol-d7
  • CAT. No.CS-T-99576
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethynylestradiol-16,16-d2 ethynyl-13C2
Ethynylestradiol-16,16-d2 ethynyl-13C2
  • CAT. No.CS-O-52760
  • CAS. No.57-63-6 (Unlabelled)
  • Mol. F.C18¹³C2H22D2O2
  • Mol. W.300.41 g/mol
  • Stock Status:Please Enquire
Sodium 17 β-Estradiol 3-Sulfate D4
Sodium 17 β-Estradiol 3-Sulfate D4
  • CAT. No.CS-BE-00028
  • CAS. No.352431-50-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Sodium 17beta-Estradiol-16,16,17-d3 3-Glucuronide
Sodium 17beta-Estradiol-16,16,17-d3 3-Glucuronide
  • CAT. No.CS-C-01168
  • CAS. No.14982-12-8(unlabelled)
  • Mol. F.C24H28D3O8Na
  • Mol. W.470.49 g/mol
  • Stock Status:Please Enquire
α-Estradiol 3-Benzoate-d5
α-Estradiol 3-Benzoate-d5
  • CAT. No.CS-T-99577
  • CAS. No.Not Available
  • Mol. F.C25H23D5O3
  • Mol. W.381.52 g/mol
  • Stock Status:Please Enquire
β-Estradiol-d3 3-(β-D-Glucuronide) 17-Sulfate Dipotassium Salt
β-Estradiol-d3 3-(β-D-Glucuronide) 17-Sulfate Dipotassium Salt
  • CAT. No.CS-T-98466
  • CAS. No.Not Available
  • Mol. F.C24H27D3K2O11S
  • Mol. W.607.77 g/mol
  • Stock Status:Please Enquire
β-Estradiol-d3 3,17-Disulfate Dipotassium Salt
β-Estradiol-d3 3,17-Disulfate Dipotassium Salt
  • CAT. No.CS-T-99250
  • CAS. No.Not Available
  • Mol. F.C18H19D3K2O8S2
  • Mol. W.511.71 g/mol
  • Stock Status:Please Enquire

API Standards

Estradiol Acetate
Estradiol Acetate
  • CAT. No.CS-T-96138
  • CAS. No.4245-41-4
  • Mol. F.C20H26O3
  • Mol. W.314.42 g/mol
  • Stock Status:Please Enquire
Estradiol Cypionate
Estradiol Cypionate
  • CAT. No.CS-T-92454
  • CAS. No.313-06-4
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol Enanthate
Estradiol Enanthate
  • CAT. No.CS-T-54255
  • CAS. No.4956-37-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol hemihydrate
Estradiol hemihydrate
  • CAT. No.CS-O-01471
  • CAS. No.35380-71-3
  • Mol. F.C36H50O5
  • Mol. W.562.77 g/mol
  • Stock Status:Please Enquire
Estradiol undecanoate
Estradiol undecanoate
  • CAT. No.CS-EK-00232
  • CAS. No.3571-53-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol Valerate
Estradiol Valerate
  • CAT. No.CS-O-14664
  • CAS. No.979-32-8
  • Mol. F.C₂₃H₃₂O₃
  • Mol. W.356.50 g/mol
  • Stock Status:Instock
Estradiol Valerate
Estradiol Valerate
  • CAT. No.CS-O-01448A
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estramustine sodium phosphate
Estramustine sodium phosphate
  • CAT. No.CS-O-01465
  • CAS. No.52205-73-9
  • Mol. F.C23H30Cl2NNa2O6P
  • Mol. W.564.35 g/mol
  • Stock Status:Instock
Ethinyl estradiol
Ethinyl estradiol
  • CAT. No.CS-O-01450
  • CAS. No.57-63-6
  • Mol. F.C20H24O2
  • Mol. W.296.40 g/mol
  • Stock Status:Instock

Metabolites

17-alpha Estradiol Enanthate
17-alpha Estradiol Enanthate
  • CAT. No.CS-P-06973
  • CAS. No.10093-54-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17-alpha-Ethynyl Estradiol-3-Sulfate
17-alpha-Ethynyl Estradiol-3-Sulfate
  • CAT. No.CS-P-07803
  • CAS. No.24560-70-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17ß-Estradiol 17-Sulfate Potassium Salt
17ß-Estradiol 17-Sulfate Potassium Salt
  • CAT. No.CS-T-92120
  • CAS. No.23929-50-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Instock
2-Hydroxyestradiol-1,4-Cysteine
2-Hydroxyestradiol-1,4-Cysteine
  • CAT. No.CS-O-35497
  • CAS. No.Not Available
  • Mol. F.C24H34N2O7S2
  • Mol. W.526.67 g/mol
  • Stock Status:Please Enquire
2-Hydroxyestradiol-1,4-N-acetylcysteine
2-Hydroxyestradiol-1,4-N-acetylcysteine
  • CAT. No.CS-O-35501
  • CAS. No.Not Available
  • Mol. F.C28H38N2O9S2
  • Mol. W.610.74 g/mol
  • Stock Status:Please Enquire
4-Hydroxyestradiol-2-Cysteine
4-Hydroxyestradiol-2-Cysteine
  • CAT. No.CS-O-35495
  • CAS. No.Not Available
  • Mol. F.C21H29NO5
  • Mol. W.407.52 g/mol
  • Stock Status:Please Enquire
4-Hydroxyestradiol-2-N-acetylcysteine
4-Hydroxyestradiol-2-N-acetylcysteine
  • CAT. No.CS-O-35499
  • CAS. No.Not Available
  • Mol. F.C23H31NO6S
  • Mol. W.449.56 g/mol
  • Stock Status:Please Enquire
6-beta-Hydroxyestradiol
6-beta-Hydroxyestradiol
  • CAT. No.CS-P-02939
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
delta-9(11)-Propynylestradiol
delta-9(11)-Propynylestradiol
  • CAT. No.CS-O-43521
  • CAS. No.105293-11-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol Dicypionate
Estradiol Dicypionate
  • CAT. No.CS-T-92409
  • CAS. No.633-36-3
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol Dienanthate
Estradiol Dienanthate
  • CAT. No.CS-T-92135
  • CAS. No.7732-97-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol for peak identification
Estradiol for peak identification
  • CAT. No.CS-EG-03085
  • CAS. No.50-28-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol-3,17b-dibutyrate
Estradiol-3,17b-dibutyrate
  • CAT. No.CS-O-43731
  • CAS. No.63042-23-9
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethinyl Estradiol sodium Sulfate
Ethinyl Estradiol sodium Sulfate
  • CAT. No.CS-O-06043
  • CAS. No.Not Available
  • Mol. F.C20H24Na2O6S
  • Mol. W.438.44 g/mol
  • Stock Status:Please Enquire
Ethynyl Estradiol Sulfate
Ethynyl Estradiol Sulfate
  • CAT. No.CS-O-01448
  • CAS. No.724762-79-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Δ9(11)-Estradiol Diacetate
Δ9(11)-Estradiol Diacetate
  • CAT. No.CS-T-92281
  • CAS. No.1169-54-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire

Impurities

(13S,14S,17R)-Ethinyl Estradiol
(13S,14S,17R)-Ethinyl Estradiol
  • CAT. No.CS-P-07878
  • CAS. No.1357266-17-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17-β-Estradiol Diacetate
17-β-Estradiol Diacetate
  • CAT. No.CS-T-54245
  • CAS. No.3434-88-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17-β-Estradiol Dimethyl Ether
17-β-Estradiol Dimethyl Ether
  • CAT. No.CS-T-54243
  • CAS. No.4954-14-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17a-Estradiol 17-Valerate
17a-Estradiol 17-Valerate
  • CAT. No.CS-T-54262
  • CAS. No.182624-54-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17-alpha-Ethynyl Estradiol-3-Sulfate Triethylamine Salt
17-alpha-Ethynyl Estradiol-3-Sulfate Triethylamine Salt
  • CAT. No.CS-P-09239
  • CAS. No.24560-70-1 (free acid)
  • Mol. F.C26H39NO5S
  • Mol. W.477.66 g/mol
  • Stock Status:Please Enquire
17B-Estradiol
17B-Estradiol
  • CAT. No.CS-O-11584
  • CAS. No.50-28-2
  • Mol. F.C₁₈H₂₄O₂
  • Mol. W.272.38 g/mol
  • Stock Status:Instock
17beta-Estradiol-2,4,16,16,17-d5
17beta-Estradiol-2,4,16,16,17-d5
  • CAT. No.CS-ZG-86818
  • CAS. No.221093-45-4
  • Mol. F.C₁₈H₁₉D₅O₂
  • Mol. W.277.4 g/mol
  • Stock Status:Please Enquire
17-epi-Ethynyl Estradiol
17-epi-Ethynyl Estradiol
  • CAT. No.CS-T-22087
  • CAS. No.4717-38-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17-O-Acetyl-3-O-methyl 17β-Estradiol
17-O-Acetyl-3-O-methyl 17β-Estradiol
  • CAT. No.CS-T-64596
  • CAS. No.5976-55-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17α-Estradiol
17α-Estradiol
  • CAT. No.CS-O-30915
  • CAS. No.57-91-0
  • Mol. F.C₁₈H₂₄O₂
  • Mol. W.272.38 g/mol
  • Stock Status:Instock
1-Hydroxy-4-methyl-17-ethynyl-3-dehydroxyestradiol
1-Hydroxy-4-methyl-17-ethynyl-3-dehydroxyestradiol
  • CAT. No.CS-T-78594
  • CAS. No.1034298-00-4
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
1-Methylestradiol
1-Methylestradiol
  • CAT. No.CS-O-43709
  • CAS. No.3597-38-4
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Hydroxy Estradiol 6-N3-Adenine
2-Hydroxy Estradiol 6-N3-Adenine
  • CAT. No.CS-T-56032
  • CAS. No.912671-55-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Methoxy 17-β-Estradiol
2-Methoxy 17-β-Estradiol
  • CAT. No.CS-T-57697
  • CAS. No.362-07-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Methyl Ethynyl Estradiol
2-Methyl Ethynyl Estradiol
  • CAT. No.CS-T-58208
  • CAS. No.3240-39-9
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Valeryl-17-β-estradiol 17-Valerate
2-Valeryl-17-β-estradiol 17-Valerate
  • CAT. No.CS-T-62679
  • CAS. No.1421283-56-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-Methoxy-6-phenylsulfonyl-6,7-didehydro Estradiol
3-Methoxy-6-phenylsulfonyl-6,7-didehydro Estradiol
  • CAT. No.CS-T-57806
  • CAS. No.153004-08-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-Methoxy-7-β-methyl-6-β-(phenylsulfonyl) Estradiol
3-Methoxy-7-β-methyl-6-β-(phenylsulfonyl) Estradiol
  • CAT. No.CS-T-57765
  • CAS. No.156137-95-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Benzyl Estradiol
3-O-Benzyl Estradiol
  • CAT. No.CS-T-48875
  • CAS. No.14982-15-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Methyl 4-Hydroxy Estradiol
3-O-Methyl 4-Hydroxy Estradiol
  • CAT. No.CS-T-58263
  • CAS. No.5976-66-9
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Formyl-17ß-estradiol
4-Formyl-17ß-estradiol
  • CAT. No.CS-T-75381
  • CAS. No.123715-79-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Hydroxy Estradiol 1-N7-Guanine
4-Hydroxy Estradiol 1-N7-Guanine
  • CAT. No.CS-T-56028
  • CAS. No.178971-91-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Methyl Estradiol enanthate
4-Methyl Estradiol enanthate
  • CAT. No.CS-EO-02143
  • CAS. No.Not Available
  • Mol. F.C26H38O3
  • Mol. W.398.58 g/mol
  • Stock Status:Please Enquire
4-Methyl Estradiol Valerate
4-Methyl Estradiol Valerate
  • CAT. No.CS-P-07807
  • CAS. No.1359847-37-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Methyl-17-β-Estradiol
4-Methyl-17-β-Estradiol
  • CAT. No.CS-O-15692
  • CAS. No.6171-48-8
  • Mol. F.C19H26O2
  • Mol. W.286.4 g/mol
  • Stock Status:Instock
6-β-Hydroxy-17-β-estradiol 17-Valerate
6-β-Hydroxy-17-β-estradiol 17-Valerate
  • CAT. No.CS-T-55990
  • CAS. No.1313382-32-9
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
6-(O-Carboxymethyl)oximinoestradiol
6-(O-Carboxymethyl)oximinoestradiol
  • CAT. No.CS-T-69047
  • CAS. No.55591-50-9
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
6,7-Dehydro Estradiol
6,7-Dehydro Estradiol
  • CAT. No.CS-T-51762
  • CAS. No.7291-41-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
6a-Hydroxy 17-Beta-Estradiol
6a-Hydroxy 17-Beta-Estradiol
  • CAT. No.CS-T-55986
  • CAS. No.1229-24-9
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
6a-Hydroxy-17-β-estradiol 17-Valerate
6a-Hydroxy-17-β-estradiol 17-Valerate
  • CAT. No.CS-T-55989
  • CAS. No.1313382-26-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
6beta-Hydroxy 17beta-Estradiol
6beta-Hydroxy 17beta-Estradiol
  • CAT. No.CS-TB-67202
  • CAS. No.3583-03-7
  • Mol. F.C18H24O3
  • Mol. W.288.4 g/mol
  • Stock Status:Please Enquire
6-Dehydro Estradiol 17-Valerate
6-Dehydro Estradiol 17-Valerate
  • CAT. No.CS-T-73518
  • CAS. No.1313382-25-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
6-Keto Ethynyl Estradiol
6-Keto Ethynyl Estradiol
  • CAT. No.CS-T-57001
  • CAS. No.38002-18-5
  • Mol. F.C₂₀H₂₂O₃
  • Mol. W.310.39 g/mol
  • Stock Status:Instock
6-Oxo-17-estradiol 17-Valerate
6-Oxo-17-estradiol 17-Valerate
  • CAT. No.CS-P-07810
  • CAS. No.1313382-51-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
6-α-Hydroxy Ethynyl Estradiol
6-α-Hydroxy Ethynyl Estradiol
  • CAT. No.CS-T-56010
  • CAS. No.27521-34-2
  • Mol. F.C20H24O3
  • Mol. W.Not Available
  • Stock Status:Instock
8,9-Dehydro-17-Beta-estradiol
8,9-Dehydro-17-Beta-estradiol
  • CAT. No.CS-T-51763
  • CAS. No.23392-54-3
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
9,11-Dehydro Ethynyl Estradiol
9,11-Dehydro Ethynyl Estradiol
  • CAT. No.CS-O-05547
  • CAS. No.1231-96-5
  • Mol. F.C20H22O2
  • Mol. W.294.39 g/mol
  • Stock Status:Instock
9,11-Dehydro-17-Β-Estradiol 17-Valerate
9,11-Dehydro-17-Β-Estradiol 17-Valerate
  • CAT. No.CS-T-51764
  • CAS. No.95959-20-9
  • Mol. F.C₂₃H₃₀O₃
  • Mol. W.354.48 g/mol
  • Stock Status:Instock
bis((8S,13S,14S,17S)-3-hydroxy-13-methyl 7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-yl) sulfate
bis((8S,13S,14S,17S)-3-hydroxy-13-methyl 7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-yl) sulfate
  • CAT. No.CS-O-46645
  • CAS. No.Not Available
  • Mol. F.C36H42O6S
  • Mol. W.602.78 g/mol
  • Stock Status:Please Enquire
Delta9(11)-Estradiol
Delta9(11)-Estradiol
  • CAT. No.CS-O-15161
  • CAS. No.791-69-5
  • Mol. F.C₁₈H₂₂O₂
  • Mol. W.270.37 g/mol
  • Stock Status:Instock
Estradiol 17-Butyrate
Estradiol 17-Butyrate
  • CAT. No.CS-T-54244
  • CAS. No.18069-79-9
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 17-Hexanoate
Estradiol 17-Hexanoate
  • CAT. No.CS-T-54247
  • CAS. No.71764-18-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 17-Isovalerate
Estradiol 17-Isovalerate
  • CAT. No.CS-T-54248
  • CAS. No.869627-83-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 17-octanoate
Estradiol 17-octanoate
  • CAT. No.CS-O-44022
  • CAS. No.63042-22-8
  • Mol. F.C26H38O3
  • Mol. W.398.58 g/mol
  • Stock Status:Please Enquire
Estradiol 17-O-Octadecanoate
Estradiol 17-O-Octadecanoate
  • CAT. No.CS-T-54257
  • CAS. No.82205-00-3
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 17-Propionate
Estradiol 17-Propionate
  • CAT. No.CS-T-54258
  • CAS. No.3758-34-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 3,17-Divalerate
Estradiol 3,17-Divalerate
  • CAT. No.CS-T-54246
  • CAS. No.63042-28-4
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 3-Enanthate
Estradiol 3-Enanthate
  • CAT. No.CS-P-07806
  • CAS. No.55540-97-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 3-propyl ether
Estradiol 3-propyl ether
  • CAT. No.CS-O-15693
  • CAS. No.22034-63-5
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 3-sulfate
Estradiol 3-sulfate
  • CAT. No.CS-T-96068
  • CAS. No.481-96-9
  • Mol. F.C18H24O5S
  • Mol. W.352.45 g/mol
  • Stock Status:Please Enquire
Estradiol 3-Valerate
Estradiol 3-Valerate
  • CAT. No.CS-T-54261
  • CAS. No.21881-45-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol Acetate Enanthate
Estradiol Acetate Enanthate
  • CAT. No.CS-EO-02188
  • CAS. No.Not Available
  • Mol. F.C27H38O4
  • Mol. W.426.59 g/mol
  • Stock Status:Please Enquire
Estradiol Benzoate
Estradiol Benzoate
  • CAT. No.CS-O-01494
  • CAS. No.50-50-0
  • Mol. F.C25H28O3
  • Mol. W.376.49 g/mol
  • Stock Status:Instock
Estradiol Benzoate - Impurity C
Estradiol Benzoate - Impurity C
  • CAT. No.CS-O-38119
  • CAS. No.4147-13-1
  • Mol. F.C32H32O4
  • Mol. W.480.6 g/mol
  • Stock Status:Please Enquire
Estradiol Benzoate - Impurity G
Estradiol Benzoate - Impurity G
  • CAT. No.CS-O-38120
  • CAS. No.2393-53-5
  • Mol. F.C₂₅H₂₆O₃
  • Mol. W.374.47 g/mol
  • Stock Status:Instock
Estradiol Benzoate EP Impurity F
Estradiol Benzoate EP Impurity F
  • CAT. No.CS-EO-01349
  • CAS. No.95870-51-2
  • Mol. F.C25H26O3
  • Mol. W.374.5 g/mol
  • Stock Status:Please Enquire
Estradiol Benzoate Impurity B
Estradiol Benzoate Impurity B
  • CAT. No.CS-O-38127
  • CAS. No.Not Available
  • Mol. F.C26H30O3
  • Mol. W.390.51 g/mol
  • Stock Status:Please Enquire
Estradiol Benzoate Impurity E (17-epi- Estradiol Benzoate)
Estradiol Benzoate Impurity E (17-epi- Estradiol Benzoate)
  • CAT. No.CS-P-07808
  • CAS. No.6045-53-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol Dimer 1
Estradiol Dimer 1
  • CAT. No.CS-EO-00988
  • CAS. No.Not Available
  • Mol. F.C36H46O4
  • Mol. W.542.8 g/mol
  • Stock Status:Please Enquire
Estradiol Dimer 2
Estradiol Dimer 2
  • CAT. No.CS-EO-00989
  • CAS. No.Not Available
  • Mol. F.C36H46O4
  • Mol. W.542.8 g/mol
  • Stock Status:Please Enquire
Estradiol Dimer Impurity
Estradiol Dimer Impurity
  • CAT. No.CS-EO-02856
  • CAS. No.Not Available
  • Mol. F.C36H46O4
  • Mol. W.542.8 g/mol
  • Stock Status:Please Enquire
Estradiol Hemihydrate EP Impurity A
Estradiol Hemihydrate EP Impurity A
  • CAT. No.CS-EO-00948
  • CAS. No.19973-76-3
  • Mol. F.C18H22O2
  • Mol. W.270.37 g/mol
  • Stock Status:Please Enquire
Estradiol Hexahydrobenzoate
Estradiol Hexahydrobenzoate
  • CAT. No.CS-O-43020
  • CAS. No.15140-27-9
  • Mol. F.C25H34O3
  • Mol. W.382.54 g/mol
  • Stock Status:Please Enquire
Estradiol impurities - 1
Estradiol impurities - 1
  • CAT. No.CS-O-48054
  • CAS. No.Not Available
  • Mol. F.C18H22O3
  • Mol. W.286.37 g/mol
  • Stock Status:Please Enquire
Estradiol impurities - 2
Estradiol impurities - 2
  • CAT. No.CS-O-48055
  • CAS. No.Not Available
  • Mol. F.C18H24O4
  • Mol. W.304.38 g/mol
  • Stock Status:Please Enquire
Estradiol Impurity M
Estradiol Impurity M
  • CAT. No.CS-O-52523
  • CAS. No.Not Available
  • Mol. F.C19H25ClO3
  • Mol. W.336.85 g/mol
  • Stock Status:Please Enquire
Estradiol Impurity N
Estradiol Impurity N
  • CAT. No.CS-O-52524
  • CAS. No.Not Available
  • Mol. F.C19H27ClO3
  • Mol. W.338.87 g/mol
  • Stock Status:Please Enquire
Estradiol valerate EP Impurity I
Estradiol valerate EP Impurity I
  • CAT. No.CS-EO-00888
  • CAS. No.Not Available
  • Mol. F.C49H66O5
  • Mol. W.735.1 g/mol
  • Stock Status:Please Enquire
ESTRADIOL VALERATE EP IMPURITY J
ESTRADIOL VALERATE EP IMPURITY J
  • CAT. No.CS-P-08554
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol-17-oleate
Estradiol-17-oleate
  • CAT. No.CS-O-45639
  • CAS. No.82204-99-7
  • Mol. F.C36H56O3
  • Mol. W.536.84 g/mol
  • Stock Status:Please Enquire
Estradiol-9-Ene Cypionate
Estradiol-9-Ene Cypionate
  • CAT. No.CS-O-44702
  • CAS. No.Not Available
  • Mol. F.C26H34O3
  • Mol. W.394.55 g/mol
  • Stock Status:Please Enquire
Ethinyl Estradiol Dimer Impurity 1
Ethinyl Estradiol Dimer Impurity 1
  • CAT. No.CS-F-00117
  • CAS. No.303014-90-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethinyl Estradiol Dimer Impurity 2
Ethinyl Estradiol Dimer Impurity 2
  • CAT. No.CS-F-00118
  • CAS. No.303014-91-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Instock
Ethinyl estradiol EP Impurity C
Ethinyl estradiol EP Impurity C
  • CAT. No.CS-DN-00006
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethinyl estradiol EP Impurity D
Ethinyl estradiol EP Impurity D
  • CAT. No.CS-DN-00007
  • CAS. No.Not Available
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethinyl Estradiol EP Impurity I
Ethinyl Estradiol EP Impurity I
  • CAT. No.CS-T-51760
  • CAS. No.67703-68-8
  • Mol. F.C20H22O2
  • Mol. W.294.4 g/mol
  • Stock Status:Instock
Ethinyl Estradiol Related Compound B
Ethinyl Estradiol Related Compound B
  • CAT. No.CS-K-00047
  • CAS. No.1231-96-5
  • Mol. F.C₂₀H₂₂O₂
  • Mol. W.294.39 g/mol
  • Stock Status:Instock
Ethynyl Estradiol 17-Acetate
Ethynyl Estradiol 17-Acetate
  • CAT. No.CS-T-54229
  • CAS. No.21221-29-4
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethynyl Estradiol Diacetate
Ethynyl Estradiol Diacetate
  • CAT. No.CS-T-54231
  • CAS. No.13258-68-9
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethynylestradiol Impurity M
Ethynylestradiol Impurity M
  • CAT. No.CS-P-07805
  • CAS. No.1818-11-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Δ9(11)-Estradiol 17-Hexanoate
Δ9(11)-Estradiol 17-Hexanoate
  • CAT. No.CS-T-92535
  • CAS. No.95960-05-7
  • Mol. F.C₂₅H₃₄O₃
  • Mol. W.382.54 g/mol
  • Stock Status:Instock

EP Standards

Ethinylestradiol (E1900000)
Ethinylestradiol (E1900000)
  • CAT. No.CS-EG-00623
  • CAS. No.57-63-6
  • Mol. F.C20H24O2
  • Mol. W.296.40 g/mol
  • Stock Status:Please Enquire
Ethinylestradiol for system suitability (Y0001124)
Ethinylestradiol for system suitability (Y0001124)
  • CAT. No.CS-EG-02836
  • CAS. No.57-63-6
  • Mol. F.C20H24O2
  • Mol. W.296.40 g/mol
  • Stock Status:Please Enquire

Intermediates

"15,16-Dehydro Estradiol 3-Benzyl Ether"
  • CAT. No.CS-T-51708
  • CAS. No.690996-26-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
"dl-8,9-Dehydroestradiol"
  • CAT. No.CS-T-51769
  • CAS. No.23392-52-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
β-Estradiol 3,17-Disulfate Dipotassium Salt
β-Estradiol 3,17-Disulfate Dipotassium Salt
  • CAT. No.CS-T-54265
  • CAS. No.17046-60-5
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
^GEstradiol-6-one 6-(O-carboxymethyloxime)
^GEstradiol-6-one 6-(O-carboxymethyloxime)
  • CAT. No.CS-T-54251
  • CAS. No.35048-47-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
16alpha-Fluoro-17beta-estradiol
16alpha-Fluoro-17beta-estradiol
  • CAT. No.CS-ED-30253
  • CAS. No.92817-10-2
  • Mol. F.C18H23FO2
  • Mol. W.290.4 g/mol
  • Stock Status:Please Enquire
16-Keto 17-β-Estradiol
16-Keto 17-β-Estradiol
  • CAT. No.CS-T-57000
  • CAS. No.566-75-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
16-Oxo Ethynyl Estradiol
16-Oxo Ethynyl Estradiol
  • CAT. No.CS-T-60074
  • CAS. No.1350468-76-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17-β-Acetyl-estradiol 3-(Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester)
17-β-Acetyl-estradiol 3-(Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester)
  • CAT. No.CS-T-47231
  • CAS. No.59495-70-4
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17a-Estradiol Sulfate Sodium Salt
17a-Estradiol Sulfate Sodium Salt
  • CAT. No.CS-T-54249
  • CAS. No.56050-04-5
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Instock
17b-Estradiol 3-O-Sulfate Sodium Salt
17b-Estradiol 3-O-Sulfate Sodium Salt
  • CAT. No.CS-T-54259
  • CAS. No.4999-79-5
  • Mol. F.C18H23O5S : Na
  • Mol. W.351.4 : 23.0 g/mol
  • Stock Status:Instock
17-O-Acetyl-3-O-methyl-6-oxo 17-β-Estradiol
17-O-Acetyl-3-O-methyl-6-oxo 17-β-Estradiol
  • CAT. No.CS-T-47323
  • CAS. No.20823-31-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
18-Methyl Ethynyl Estradiol
18-Methyl Ethynyl Estradiol
  • CAT. No.CS-T-58207
  • CAS. No.14012-72-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
18-Nor-17-β-estradiol
18-Nor-17-β-estradiol
  • CAT. No.CS-T-59711
  • CAS. No.15093-14-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
1-Methyl Ethynyl Estradiol
1-Methyl Ethynyl Estradiol
  • CAT. No.CS-T-58205
  • CAS. No.15071-66-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Bromo 17-β-Estradiol
2-Bromo 17-β-Estradiol
  • CAT. No.CS-T-08436
  • CAS. No.15833-07-5
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Formyl-3,17-β-O-bis(methoxymethyl)estradiol
2-Formyl-3,17-β-O-bis(methoxymethyl)estradiol
  • CAT. No.CS-T-55029
  • CAS. No.123715-80-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Hydroxy Ethynyl Estradiol
2-Hydroxy Ethynyl Estradiol
  • CAT. No.CS-T-56004
  • CAS. No.50394-89-3
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Hydroxy-3,17-β-O-bis(methoxymethyl)estradiol
2-Hydroxy-3,17-β-O-bis(methoxymethyl)estradiol
  • CAT. No.CS-T-55849
  • CAS. No.217792-89-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Hydroxyestradiol
2-Hydroxyestradiol
  • CAT. No.CS-T-55993
  • CAS. No.362-05-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Methoxy-17a-ethynyl Estradiol
2-Methoxy-17a-ethynyl Estradiol
  • CAT. No.CS-T-57690
  • CAS. No.22415-44-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
2-Methyl Estradiol
2-Methyl Estradiol
  • CAT. No.CS-T-58185
  • CAS. No.1818-12-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3,17-β-Estradiol-3-methylether-17-decanoate
3,17-β-Estradiol-3-methylether-17-decanoate
  • CAT. No.CS-T-54253
  • CAS. No.1042947-85-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3,17-β-O-Bis(methoxymethyl)estradiol
3,17-β-O-Bis(methoxymethyl)estradiol
  • CAT. No.CS-T-49361
  • CAS. No.113680-55-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-Methoxy-7a-methyl-6-β-(phenylsulfonyl) Estradiol
3-Methoxy-7a-methyl-6-β-(phenylsulfonyl) Estradiol
  • CAT. No.CS-T-57766
  • CAS. No.153004-09-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-Methylether-estradiol
3-Methylether-estradiol
  • CAT. No.CS-ED-32008
  • CAS. No.94535-16-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Benzyl 17a-Estradiol
3-O-Benzyl 17a-Estradiol
  • CAT. No.CS-T-48874
  • CAS. No.23880-59-3
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Benzyl 17a-Estradiol 17-O-(4-Nitrobenzoate)
3-O-Benzyl 17a-Estradiol 17-O-(4-Nitrobenzoate)
  • CAT. No.CS-T-48876
  • CAS. No.229486-10-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Methyl 17a-Estradiol
3-O-Methyl 17a-Estradiol
  • CAT. No.CS-T-58186
  • CAS. No.3434-76-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Methyl 6-Hydroxy 17-β-Estradiol
3-O-Methyl 6-Hydroxy 17-β-Estradiol
  • CAT. No.CS-T-58264
  • CAS. No.109835-83-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Methyl 6-Hydroxy-17-β-estradiol
3-O-Methyl 6-Hydroxy-17-β-estradiol
  • CAT. No.CS-T-58265
  • CAS. No.473882-84-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Methyl 6-Keto 17-β-Estradiol 17-O-Tetrahydropyran
3-O-Methyl 6-Keto 17-β-Estradiol 17-O-Tetrahydropyran
  • CAT. No.CS-T-58322
  • CAS. No.174497-42-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Methyl Estradiol
3-O-Methyl Estradiol
  • CAT. No.CS-T-58187
  • CAS. No.1035-77-4
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
3-O-Methyl-6-oxo 17-β-Estradiol
3-O-Methyl-6-oxo 17-β-Estradiol
  • CAT. No.CS-T-58575
  • CAS. No.50731-96-9
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Bromo 17-β-Estradiol
4-Bromo 17-β-Estradiol
  • CAT. No.CS-T-49768
  • CAS. No.1630-83-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Hydroxy Estradiol 1-N3-Adenine
4-Hydroxy Estradiol 1-N3-Adenine
  • CAT. No.CS-T-56017
  • CAS. No.428506-88-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Hydroxy Ethynyl Estradiol
4-Hydroxy Ethynyl Estradiol
  • CAT. No.CS-T-56005
  • CAS. No.50394-90-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Hydroxy-17-β-estradiol
4-Hydroxy-17-β-estradiol
  • CAT. No.CS-T-55994
  • CAS. No.5976-61-4
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Methoxy 17-β-Estradiol
4-Methoxy 17-β-Estradiol
  • CAT. No.CS-T-57698
  • CAS. No.26788-23-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
4-Methyl Ethynyl Estradiol
4-Methyl Ethynyl Estradiol
  • CAT. No.CS-T-58206
  • CAS. No.155683-61-7
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
6-Keto 17-β-Estradiol
6-Keto 17-β-Estradiol
  • CAT. No.CS-T-56999
  • CAS. No.571-92-6
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
6-β-Hydroxy Ethynyl Estradiol
6-β-Hydroxy Ethynyl Estradiol
  • CAT. No.CS-T-56011
  • CAS. No.56324-28-8
  • Mol. F.C₂₀H₂₄O₃
  • Mol. W.312.40 g/mol
  • Stock Status:Please Enquire
9,11-Dehydro-17a-cyanomethyl Estradiol
9,11-Dehydro-17a-cyanomethyl Estradiol
  • CAT. No.CS-T-51755
  • CAS. No.86153-38-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
beta-Estradiol 17-hemisuccinate
beta-Estradiol 17-hemisuccinate
  • CAT. No.CS-T-92333
  • CAS. No.7698-93-3
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
beta-Estradiol 3,17-dipropionate
beta-Estradiol 3,17-dipropionate
  • CAT. No.CS-T-92113
  • CAS. No.113-38-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
beta-Estradiol 3-benzoate 17-n-butyrate
beta-Estradiol 3-benzoate 17-n-butyrate
  • CAT. No.CS-T-92331
  • CAS. No.63042-18-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 3-[N,N-Bis(2-chloroethyl)carbamate]
Estradiol 3-[N,N-Bis(2-chloroethyl)carbamate]
  • CAT. No.CS-T-54250
  • CAS. No.2998-57-4
  • Mol. F.C₂₃H₃₁Cl₂NO₃
  • Mol. W.440.40 g/mol
  • Stock Status:Please Enquire
Estradiol Valerate
Estradiol Valerate
  • CAT. No.CS-0-14664
  • CAS. No.979-32-8
  • Mol. F.C₂₃H₃₂O₃
  • Mol. W.356.4 g/mol
  • Stock Status:Instock
Ethynyl Estradiol 3-Acetate
Ethynyl Estradiol 3-Acetate
  • CAT. No.CS-T-54228
  • CAS. No.5779-47-5
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
-β-Estradiol 17-Acetate
-β-Estradiol 17-Acetate
  • CAT. No.CS-T-22135
  • CAS. No.1743-60-8
  • Mol. F.C₂₀H₂₆O₃
  • Mol. W.314.42 g/mol
  • Stock Status:Instock

Glucuronides

"17-β-Estradiol-β-O-Benzyl 17-(2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester)"
  • CAT. No.CS-T-54256
  • CAS. No.14364-98-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
β-Estradiol-β-(β-D-Glucuronide) 17-Sulfate Dipotassium Salt
β-Estradiol-β-(β-D-Glucuronide) 17-Sulfate Dipotassium Salt
  • CAT. No.CS-T-54252
  • CAS. No.99156-45-3
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17-β-Estradiol 17-(2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester)
17-β-Estradiol 17-(2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester)
  • CAT. No.CS-T-54242
  • CAS. No.14364-66-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
17-Β-Estradiol 17-Β-D-Glucuronide
17-Β-Estradiol 17-Β-D-Glucuronide
  • CAT. No.CS-T-54241
  • CAS. No.1806-98-0
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Instock
17-Β-Estradiol-Β-D-Glucuronide
17-Β-Estradiol-Β-D-Glucuronide
  • CAT. No.CS-T-54239
  • CAS. No.15270-30-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Instock
6α-Hydroxy-17βEstradiol 6-Glucuronide
6α-Hydroxy-17βEstradiol 6-Glucuronide
  • CAT. No.CS-O-37335
  • CAS. No.Not Available
  • Mol. F.C24H32O9
  • Mol. W.464.51 g/mol
  • Stock Status:Please Enquire
beta-Estradiol 17-(beta-D-glucuronide) sodium salt
beta-Estradiol 17-(beta-D-glucuronide) sodium salt
  • CAT. No.CS-T-92470
  • CAS. No.15087-02-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
beta-Estradiol 3-(beta-D-glucuronide) sodium salt
beta-Estradiol 3-(beta-D-glucuronide) sodium salt
  • CAT. No.CS-T-92217
  • CAS. No.14982-12-8
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Estradiol 3-Sulfate 17-β-Glucuronide Dipotassium Salt
Estradiol 3-Sulfate 17-β-Glucuronide Dipotassium Salt
  • CAT. No.CS-T-54260
  • CAS. No.10392-35-5
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethynyl Estradiol 17-β-D-Glucuronide
Ethynyl Estradiol 17-β-D-Glucuronide
  • CAT. No.CS-T-54227
  • CAS. No.75803-39-3
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethynyl Estradiol 17-Acetate-β-(2',3',4'-Tri-O-acetyl)-β-D-glucuronide Methyl Ester
Ethynyl Estradiol 17-Acetate-β-(2',3',4'-Tri-O-acetyl)-β-D-glucuronide Methyl Ester
  • CAT. No.CS-T-54230
  • CAS. No.242130-33-2
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire
Ethynylestradiol-β-D-Glucuronide
Ethynylestradiol-β-D-Glucuronide
  • CAT. No.CS-T-54226
  • CAS. No.60134-76-1
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire

Fine Chemicals

4-Chloroestradiol
4-Chloroestradiol
  • CAT. No.CS-T-69431
  • CAS. No.88847-88-5
  • Mol. F.Not Available
  • Mol. W.Not Available
  • Stock Status:Please Enquire

Building Blocks

Estradiol-7-alpha-butyric Acid
Estradiol-7-alpha-butyric Acid
  • CAT. No.CS-TB-43211
  • CAS. No.55592-40-0
  • Mol. F.C22H30O4
  • Mol. W.358.47 g/mol
  • Stock Status:Please Enquire