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Categories / Impurity

Impurity Products

Browse available compounds, catalogue references, CAS numbers and technical details from Clearsynth.

Showing 6817-6840 of 27558 products
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(RS7) Isomer of N-methylvancomycin B chemical structure
Custom Synthesis

(RS7) Isomer of N-methylvancomycin B

CAT No. CS-O-16825
CAS No. -
Category Impurity
Parent API Vancomycin
Formula -
Mol. Wt.
(R-trans, R'-trans)-Atracurium chemical structure
Custom Synthesis

(R-trans, R'-trans)-Atracurium

CAT No. CS-EO-00699
CAS No. 96946-45-1
Category Impurity
Parent API Atracurium
Formula C53H72N2O122+
Mol. Wt. 929.14
(S) FTY720 Phosphate chemical structure
Custom Synthesis

(S) FTY720 Phosphate

CAT No. CS-T-55109
CAS No. 402616-26-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(S) Oxazepam chemical structure
Custom Synthesis

(S) Oxazepam

CAT No. CS-O-34895
CAS No. 40762-00-3
Category Impurity
Parent API Oxazepam
Formula C??H??ClN?O?
Mol. Wt. 286.71 mol/g
(S)​-​2-​amino-​3-​((S)​-​2-​oxopyrrolidin-​3-​yl)​propanamide chemical structure
Custom Synthesis

(S)​-​2-​amino-​3-​((S)​-​2-​oxopyrrolidin-​3-​yl)​propanamide

CAT No. CS-O-44562
CAS No. 2628280-47-5
Category Impurity
Parent API Nirmatrelvir
Formula C7H13N3O2
Mol. Wt. 171.2
(S)​-​tert-​Butyl 3-​(4-​Aminophenyl)​piperidine-​1-​carboxylate chemical structure
Custom Synthesis

(S)​-​tert-​Butyl 3-​(4-​Aminophenyl)​piperidine-​1-​carboxylate

CAT No. CS-T-70687
CAS No. 1171197-20-8
Category Impurity
Parent API Niraparib
Formula C16H24N2O2
Mol. Wt. 276.4
(S)-α-Ethyl-2-oxo-1-Pyrrolidineacetic acid, (R)-methylbenzylamine salt (LVA30) chemical structure
Custom Synthesis

(S)-α-Ethyl-2-oxo-1-Pyrrolidineacetic acid, (R)-methylbenzylamine salt (LVA30)

CAT No. CS-O-10663
CAS No. 102916-46-1
Category Impurity
Parent API
Formula -
Mol. Wt.
(S)-((6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)amino)methanol chemical structure
Custom Synthesis

(S)-((6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)amino)methanol

CAT No. CS-O-34155
CAS No. -
Category Impurity
Parent API
Formula C11H19N3OS
Mol. Wt. 241.35
(S)-(-)-1-Boc-2-cyanopyrrolidine chemical structure
Custom Synthesis

(S)-(-)-1-Boc-2-cyanopyrrolidine

CAT No. CS-T-67414
CAS No. 228244-04-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(S)-(-)-3-BOC-4-methoxycarbonyl-2,2-dimethyl-1,3-oxazolidine chemical structure
Custom Synthesis

(S)-(-)-3-BOC-4-methoxycarbonyl-2,2-dimethyl-1,3-oxazolidine

CAT No. CS-AC-03474
CAS No. 108149-60-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(S)-(-)-3-Chloro-1,2-propanediol acetonide chemical structure
Custom Synthesis

(S)-(-)-3-Chloro-1,2-propanediol acetonide

CAT No. CS-T-12014
CAS No. 60456-22-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(S)-(-)-4-Hydroxyphenyl Carvedilol chemical structure
Custom Synthesis

(S)-(-)-4-Hydroxyphenyl Carvedilol

CAT No. CS-T-56299
CAS No. 1217853-93-4
Category Impurity
Parent API Carvedilol
Formula -
Mol. Wt.
(S)-(-)-5-Hydroxyphenyl Carvedilol chemical structure
Custom Synthesis

(S)-(-)-5-Hydroxyphenyl Carvedilol

CAT No. CS-T-56301
CAS No. 1217723-80-2
Category Impurity
Parent API Carvedilol
Formula -
Mol. Wt.
(S)-(-)-Dropropizine N,N-Dioxide chemical structure
Custom Synthesis

(S)-(-)-Dropropizine N,N-Dioxide

CAT No. CS-EO-01957
CAS No. 2098198-51-5
Category Impurity
Parent API Levodropropizine
Formula C13H20N2O4
Mol. Wt. 268.3
(S)-(-)-Felodipine chemical structure
Custom Synthesis

(S)-(-)-Felodipine

CAT No. CS-T-23458
CAS No. 105618-03-9
Category Impurity
Parent API Felodipine
Formula C18H19Cl2NO4
Mol. Wt. 384.25 g/mol
(S)-(-)-Limonene chemical structure
Custom Synthesis

(S)-(-)-Limonene

CAT No. CS-T-31082
CAS No. 5989-54-8
Category Impurity
Parent API Limonene
Formula C10H16
Mol. Wt. 136.23
(S)-(-)-Nor Verapamil Hydrochloride chemical structure
Custom Synthesis

(S)-(-)-Nor Verapamil Hydrochloride

CAT No. CS-T-83800
CAS No. 147158-72-3
Category Impurity
Parent API Verapamil
Formula C26H37ClN2O4
Mol. Wt. 477.04
(S)-(-)-Tolvaptan chemical structure
Custom Synthesis

(S)-(-)-Tolvaptan

CAT No. CS-T-44606
CAS No. 331947-44-5
Category Impurity
Parent API Tolvaptan
Formula C26H25ClN2O3
Mol. Wt. 449
(S)-(-)-Verapamil Hydrochloride chemical structure
Custom Synthesis

(S)-(-)-Verapamil Hydrochloride

CAT No. CS-T-88114
CAS No. 36622-28-3
Category Impurity
Parent API Verapamil
Formula -
Mol. Wt.
(S)-(-)-Verapamilic Acid chemical structure
Custom Synthesis

(S)-(-)-Verapamilic Acid

CAT No. CS-T-87776
CAS No. 36622-24-9
Category Impurity
Parent API Verapamil
Formula C16H21NO4
Mol. Wt. 291.34
(S)-(+)-α-Methoxyphenylacetic Acid chemical structure
Custom Synthesis

(S)-(+)-α-Methoxyphenylacetic Acid

CAT No. CS-T-57815
CAS No. 26164-26-1
Category Impurity
Parent API
Formula -
Mol. Wt.
(S)-(+)(2-Chlorophenyl) glycine methyl ester tartaric acid salt chemical structure
Custom Synthesis

(S)-(+)(2-Chlorophenyl) glycine methyl ester tartaric acid salt

CAT No. CS-CL-00003
CAS No. 141109-15-1
Category Impurity
Parent API Tolterodine
Formula C9H10ClNO2 : C4H6O6
Mol. Wt. 199.6 : 150.1
(S)-(+)-1,1-Binaphthyl-2,2-diyl Hydrogen Phosphate chemical structure
Custom Synthesis

(S)-(+)-1,1-Binaphthyl-2,2-diyl Hydrogen Phosphate

CAT No. CS-T-49107
CAS No. 35193-64-7
Category Impurity
Parent API Tamsulosin
Formula C20H13O4P
Mol. Wt. 348.3
(S)-(+)-2,2-Dimethyl-1,3-dioxolan-4-ylmethyl p-Toluenesulfonate chemical structure
Custom Synthesis

(S)-(+)-2,2-Dimethyl-1,3-dioxolan-4-ylmethyl p-Toluenesulfonate

CAT No. CS-T-53455
CAS No. 23735-43-5
Category Impurity
Parent API
Formula -
Mol. Wt.

Impurity Products at Clearsynth

Browse available Impurity products from Clearsynth. These compounds support analytical research, quality control and pharmaceutical development.

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