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Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

Benzyl(S)-2-(8-fluoro-3-(2- methoxy-5- (trifluoromethyl)phenyl)-2- (4-(3-methoxy phenyl)piperazin-1-yl)-3,4- dihydro-quinazolin-4- yl)acetate chemical structure

Benzyl(S)-2-(8-fluoro-3-(2- methoxy-5- (trifluoromethyl)phenyl)-2- (4-(3-methoxy phenyl)piperazin-1-yl)-3,4- dihydro-quinazolin-4- yl)acetate

CAS: 2758792-75-3
Formula: C₃₆H₃₄F₄N₄O₄
MW: 662.7 g/mol

VQ-045144

Reference Standard

Benzylammonium chloride chemical structure

Benzylammonium chloride

CAS: 3287-99-8
Formula: C₇H₁₀ClN
MW: 143.61 g/mol

VQ-031408

Reference Standard

Benzyldimethyldecylammonium chloride chemical structure

Benzyldimethyldecylammonium chloride

CAS: 965-32-2
Formula: C₁₉H₃₄ClN
MW: 311.9 g/mol

VQ-039304

Reference Standard

Benzyldimethyltetradecylammonium chloride -D7 chemical structure

Benzyldimethyltetradecylammonium chloride -D7

CAS: 1219178-72-9
Formula: C₂₃H₄₂ClN
MW: 375.1 g/mol

VQ-052440

Reference Standard

Benzyldimethyltetradecylammonium Chloride Dihydrate chemical structure

Benzyldimethyltetradecylammonium Chloride Dihydrate

CAS: 147228-81-7
Formula: C₂₃H₄₆ClNO₂
MW: 404.1 g/mol

VQ-043000

Reference Standard

Benzylpenicillin chemical structure

Benzylpenicillin

CAS: 61-33-6
Formula: C₁₆H₁₈N₂O₄S
MW: 334.4 g/mol

VQ-024660

Reference Standard

Benzylpenicillin Clemizole chemical structure

Benzylpenicillin Clemizole

CAS: 6011-39-8
Formula: C₃₅H₃₈ClN₅O₄S
MW: 660.2 g/mol

VQ-033097

Reference Standard

Benzylpenicillin EP Impurity C Sodium Salt chemical structure

Benzylpenicillin EP Impurity C Sodium Salt

CAS: 5985-13-7
Formula: C₁₆H₁₇N₂NaO₅S
MW: 372.4 g/mol

VQ-027424

Reference Standard

Benzylpenicillin EP Impurity D chemical structure

Benzylpenicillin EP Impurity D

CAS: 13093-87-3
Formula: C₁₆H₁₈N₂O₄S
MW: 334.4 g/mol

VQ-041383

Reference Standard

Benzylpenicillin Potassium EP Impurity C chemical structure

Benzylpenicillin Potassium EP Impurity C

CAS: 525-91-7
Formula: C₁₆H₁₈N₂O₅S
MW: 350.4 g/mol

VQ-023473

Reference Standard

Benzylpenicillin Potassium EP Impurity E chemical structure

Benzylpenicillin Potassium EP Impurity E

CAS: 11039-68-2
Formula: C₉H₁₄N₂O₅S
MW: 262.29 g/mol

VQ-045288

Reference Standard

Bepotastine chemical structure

CAS: 125602-71-3
Formula: C₂₁H₂₅ClN₂O₃
MW: 388.9 g/mol

VQ-021789

Reference Standard

Bepotastine Besilate chemical structure

Bepotastine Besilate

CAS: 190786-44-8
Formula: C₂₇H₃₁ClN₂O₆S
MW: 547.1 g/mol

VQ-021788

Reference Standard

Bepotastine Besylate Racemic Mixture chemical structure

Bepotastine Besylate Racemic Mixture

CAS: 1415692-17-9
Formula: C₂₇H₃₁ClN₂O₆S
MW: 547.1 g/mol

VQ-035945

Reference Standard

Bepotastine Ethyl ester chemical structure

Bepotastine Ethyl ester

CAS: 190730-39-3
Formula: C₂₃H₂₉ClN₂O₃
MW: 416.9 g/mol

VQ-020923

Reference Standard

Bepotastine Impurity 4 chemical structure

Bepotastine Impurity 4

CAS: 207726-35-0
Formula: C₂₀H₂₃ClN₂O₃
MW: 374.9 g/mol

VQ-045289

Reference Standard

Bepotastine Isopropyl ester chemical structure

Bepotastine Isopropyl ester

CAS: 1807607-93-7
Formula: C₂₄H₃₁ClN₂O₃
MW: 431 g/mol

VQ-020924

Reference Standard

Bepotastine Methyl Ester

Bepotastine Methyl Ester

CAS: 1415566-38-9
Formula: C₂₂H₂₇ClN₂O₃
MW: 402.9 g/mol

VQ-045457

Reference Standard

Bepotastine N-Butyl Ester chemical structure

Bepotastine N-Butyl Ester

CAS: 1807606-59-2
Formula: C₂₅H₃₃ClN₂O₃
MW: 445 g/mol

VQ-020925

Reference Standard

Bepotastine Salicylate chemical structure

Bepotastine Salicylate

CAS: 1206695-40-0
Formula: C₂₈H₃₁ClN₂O₆
MW: 527 g/mol

VQ-047558

Reference Standard

Beraprost chemical structure

CAS: 218432-32-7
Formula: C₂₄H₃₀O₅
MW: 398.5 g/mol

VQ-045458

Reference Standard

Beraprost Impurity 8

Beraprost Impurity 8

CAS: 674796-22-6
Formula: C₂₇H₅₄OSiSn
MW: 541.5 g/mol

VQ-044273

Reference Standard

Beraprost Methyl Ester chemical structure

Beraprost Methyl Ester

CAS: 223556-65-8
Formula: C₂₅H₃₂O₅
MW: 412.5 g/mol

VQ-045459

Reference Standard

Berberine chemical structure

CAS: 2086-83-1
Formula: C₂₀H₁₈NO₄⁺
MW: 336.4 g/mol

VQ-035948

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