Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Estrone, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Estrone 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 Estrone-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.
Our Estrone-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.
Estrone Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| ∆8,9-Dehydro Estrone-d4 3-Sulfate Sodium Salt | Stable Isotopes | CS-T-99314 | Not Available | Enquire |
| 2-Methoxyestrone-1,4,16,16 D4 | Stable Isotopes | CS-O-39550 | 949885-90-9 | Enquire |
| 3-Oleoylestrone-2,4,16,16-d4 | Stable Isotopes | CS-C-01099 | 443791-75-1 | Enquire |
| 3-O-Methyl Estrone-d3 | Stable Isotopes | CS-T-58189 | 1093230-99-9 | In Stock |
| 3-O-Methyl Estrone-d5 Hydrazone | Stable Isotopes | CS-T-99479 | Not Available | Enquire |
| 4-Hydroxy Estrone 1-N3-(15N5) Adenine Formate Salt | Stable Isotopes | CS-T-103001 | 1033301-98-2(Unlabelled) | Enquire |
| 4-Methoxyestrone-1,2,16,16-d4 | Stable Isotopes | CS-C-01028 | 58562-33-7(unlabelled) | Enquire |
| Delta(Δ)-8,9-Dehydro Estrone-d2 | Stable Isotopes | CS-O-10087 | 1219799-27-5 | In Stock |
| Estrone Sulfate D4 | Stable Isotopes | CS-EO-03542 | 735254-54-3 | Enquire |
| Estrone-2,4,16,16-d4 3-O-Beta-D-Glucuronide | Stable Isotopes | CS-O-36898 | 870061-18-0 | In Stock |
| Estrone-2,4-d2 | Stable Isotopes | CS-T-94790 | 350820-16-5 | Enquire |
| Estrone-3-sulfate-d5 Sodium Salt | Stable Isotopes | CS-O-36897 | 2734919-86-7 | Enquire |
| Estrone-d2 | Stable Isotopes | CS-T-54272 | 56588-58-0 | In Stock |
| Estrone-d4 | Stable Isotopes | CS-T-54273 | 53866-34-5 | In Stock |
| Estrone-D4 IN ACETONITRILE 100 μG/ML | Stable Isotopes | CS-O-48173 | 53866-34-5 | Enquire |
| ESTRONE-d4 IN ACETONITRILE 100 μG/ML | Stable Isotopes | CS-O-48158 | 53866-34-5 | Enquire |
| Estrone-D5 | Stable Isotopes | CS-EO-01356 | Not Available | Enquire |
| Estrone-d5 β-D-Glucuronide Sodium Salt | Stable Isotopes | CS-T-98462 | Not Available | Enquire |
| Estrone-D6 | Stable Isotopes | CS-EO-02526 | Not Available | Enquire |
| Estrone-d7 | Stable Isotopes | CS-O-47376 | 53-16-7 (unlabeled) | Enquire |
| Sodium Estrone Sulfate-d2 | Stable Isotopes | CS-O-49826 | 438-67-5(Unlabelled) | In Stock |
| Sodium Estrone-d4 Sulfate | Stable Isotopes | CS-O-06594 | 285979-80-8 | Enquire |
| (Estrone-d5) 3-Acetate | Stable Isotopes | CS-T-99561 | Not Available | Enquire |
| ∆8,9-Dehydro Estrone-d4 | Stable Isotopes | CS-T-99638 | Not Available | Enquire |
| 16 α-HYDROXY ESTRONE 13C3 | Stable Isotopes | CS-R-00128 | 1241684-28-5 | Enquire |
| 16α-Hydroxyestrone-[2,3,4-13C3] (Solution) | Stable Isotopes | CS-I-00590 | 1241684-28-5 | Enquire |
| 2-Hydroxy Estrone D4 | Stable Isotopes | CS-T-56002 | 81586-97-2 | Enquire |
| 2-Hydroxyestrone-3-methyl Ether-d3 | Stable Isotopes | CS-T-96708 | Not Available | Enquire |
| 2-Methoxy-[13C,d3]-estrone | Stable Isotopes | CS-I-00393 | 1217460-84-8 | Enquire |
| 2-Methoxyestrone-1,4,16,16-d4 | Stable Isotopes | CS-C-01027 | 949885-90-9 | Enquire |
| 3-Deshydroxy-3-methoxy Estrone-D3 | Stable Isotopes | CS-T-97628 | Not Available | Enquire |
| 3-O-Methyl Estrone-d5 (Major) | Stable Isotopes | CS-T-99480 | Not Available | Enquire |
| 4-Hydroxy Estrone-d4 | Stable Isotopes | CS-T-56003 | 81586-98-3 | Enquire |
| 4-Methoxy Estrone 13C,d3 | Stable Isotopes | CS-T-57536 | 1217437-34-7 | Enquire |
| 8,9-Dehydroestrone 2,4,16,16-D4 | Stable Isotopes | CS-BU-00106 | Not Available | Enquire |
| Estrone 3-Sulfate-d5 Sodium Salt | Stable Isotopes | CS-T-95261 | Not Available | Enquire |
| Estrone-(13,14,15,16,17,18-13C6) | Stable Isotopes | CS-T-99562 | Not Available | Enquire |
| Estrone, 3-methyl-[13C,D3] ether | Stable Isotopes | CS-I-00081 | 1261254-60-7 | Enquire |
| Estrone-[2,3,4-13C3] | Stable Isotopes | CS-I-00582 | 1241684-29-6 | Enquire |
| Estrone-D4 Glucuronide | Stable Isotopes | CS-CX-00707 | 2479-90-5 (Unlabeled) | Enquire |
| Estrone-d4-3-glucuronide (Estrone-d4 b-D-Glucuronide Sodium ... | Stable Isotopes | CS-P-04463 | ---- | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Estrone | API | CS-O-10855 | 53-16-7 | In Stock |
| Estropipate | API | CS-T-54198 | 7280-37-7 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Delta 8,9-Dehydro Estrone | Metabolite | CS-O-07823 | 474-87-3 | In Stock |
| Estrone Sulfate | Metabolite | CS-EK-00704 | 481-97-0 | In Stock |
| 2-Hydroxyestrone-1,4-Cysteine | Metabolite | CS-O-35496 | Not Available | Enquire |
| 2-Hydroxyestrone-1,4-N-acetylcysteine | Metabolite | CS-O-35500 | Not Available | Enquire |
| 4-Hydroxyestrone-2-Cysteine | Metabolite | CS-O-35494 | Not Available | Enquire |
| 4-Hydroxyestrone-2-N-acetylcysteine | Metabolite | CS-O-35498 | Not Available | Enquire |
| 8,9 Dehydroestrone sulfate sodium | Metabolite | CS-O-10355 | 61612-83-7 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Methylestrone | Impurity | CS-T-81956 | 4011-48-7 | Enquire |
| 2-Methylestrone | Impurity | CS-TB-93458 | 2626-12-2 | Enquire |
| 4-Bromoestrone | Impurity | CS-T-08456 | 1630-82-6 | In Stock |
| Estrone 3-3' Dimer | Impurity | CS-F-00186 | Not Available | Enquire |
| Estrone Acetate | Impurity | CS-P-07821 | 901-93-9 | In Stock |
| ESTRONE AMPOLA 1000 μG/ML | Impurity | CS-O-48171 | 53-16-7 | Enquire |
| Estrone-3-Methyl Ether | Impurity | CS-O-30580 | 1624-62-0 | In Stock |
| Estrone-3-sulphate sodium | Impurity | CS-O-11642 | 438-67-5 | In Stock |
| 2,4,16a-Tribromo Estrone | Impurity | CS-T-62261 | 79258-15-4 | Enquire |
| 2,4-Dibromo Estrone | Impurity | CS-T-52516 | 60788-62-7 | Enquire |
| 2,4-Dibromo-16a-hydroxy Estrone | Impurity | CS-T-52519 | 79258-14-3 | Enquire |
| 2-Bromoestrone | Impurity | CS-O-43698 | 95125-87-4 | Enquire |
| 2-Hydroxyestrone sodium 3-sulfate | Impurity | CS-O-43777 | 21343-47-5 | Enquire |
| 2-Methoxy Estrone | Impurity | CS-T-32369 | 362-08-3 | Enquire |
| 3-Hydroxy-1,3,5(10),9(11)-tetraen-17-one | Impurity | CS-F-00025 | 1089-80-1 | Enquire |
| 3-Hydroxyestrone sodium 2-sulfate | Impurity | CS-O-43778 | 82803-17-6 | Enquire |
| 3-O-Methyl Estrone Hydrazone | Impurity | CS-T-33803 | 105663-60-3 | Enquire |
| 4,16a-Dibromo Estrone | Impurity | CS-T-52517 | 81072-41-5 | Enquire |
| 4-Formylestrone | Impurity | CS-T-77603 | 13879-56-6 | Enquire |
| 4-Methoxy Estrone | Impurity | CS-T-31955 | 58562-33-7 | Enquire |
| 4-Methylestrone | Impurity | CS-T-80722 | 68969-90-4 | Enquire |
| 6a-Acetyloxy-3-O-benzylestrone | Impurity | CS-O-43886 | Not Available | Enquire |
| 6a-Hydroxy Estrone | Impurity | CS-T-55999 | 1476-78-4 | Enquire |
| 6b-Acetyloxy-3-O-benzylestrone | Impurity | CS-O-43885 | Not Available | Enquire |
| 6-Dehydroestrone | Impurity | CS-T-73354 | 2208-12-0 | Enquire |
| 6-Keto Estrone | Impurity | CS-T-30320 | 1476-34-2 | Enquire |
| Estrone 17-Ethylene Ketal | Impurity | CS-T-54274 | 900-83-4 | Enquire |
| Estrone 3-O-Sulfamate | Impurity | CS-T-22198 | 148672-09-7 | Enquire |
| Estrone 3-Valerate | Impurity | CS-T-22203 | 128788-26-1 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 16-Ethylidene-Estrone | Intermediate | CS-O-52447 | 113062-96-7 | Enquire |
| Estrone 3-Sulfate Potassium Salt | Intermediate | CS-T-92373 | 1240-04-6 | In Stock |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Estrone 3-O-beta-D-glucuronide | Glucuronide | CS-BV-00038 | 2479-90-5 | In Stock |
| Estrone-O-beta-D-Glucuronide Sodium Salt | Glucuronide | CS-O-30509 | 15087-01-1 | In Stock |
| 16a-Hydroxyestrone 16-β-D-Glucuronide | Glucuronide | CS-T-55997 | 15270-34-5 | Enquire |
| Estrone-β-D-Glucuronide Triacetate Methyl Ester | Glucuronide | CS-T-54271 | 27537-72-0 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Hydroxyestrone-2-glutathione | Building Blocks | CS-TB-65983 | 116840-27-8 | Enquire |