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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

Naloxone EP Impurity D chemical structure

Naloxone EP Impurity D

CAS: 26451-92-3
Formula: C₁₉H₁₉NO₄
MW: 325.4 g/mol

VQ-034871

Reference Standard

Naloxone EP Impurity E chemical structure

Naloxone EP Impurity E

CAS: 211738-08-8
Formula: C₃₈H₄₀N₂O₈
MW: 652.7 g/mol

VQ-043238

Reference Standard

Naloxone EP Impurity F chemical structure

Naloxone EP Impurity F

CAS: 2139253-69-1
Formula: C₁₉H₂₁NO₅
MW: 343.4 g/mol

VQ-043239

Reference Standard

Naloxone EP Impurity G chemical structure

Naloxone EP Impurity G

CAS: 70866-64-7
Formula: C₂₀H₂₃NO₄
MW: 341.4 g/mol

VQ-043240

Reference Standard

Naloxone Hydrochloride chemical structure

Naloxone Hydrochloride

CAS: 357-08-4
Formula: C₁₉H₂₂ClNO₄
MW: 363.8 g/mol

In stock

Reference Standard

Nalpha-(2-Naphthalenesulfonylglycyl)-4-amidino-D,L-phenylalaninepiperidide chemical structure

Nalpha-(2-Naphthalenesulfonylglycyl)-4-amidino-D,L-phenylalaninepiperidide

CAS: 86125-48-6
Formula: C₂₇H₃₁N₅O₄S
MW: 521.6 g/mol

VQ-040615

Reference Standard

Naltrexol-d4 chemical structure

CAS: 1279034-32-0
Formula: C₂₀H₂₅NO₄
MW: 347.4 g/mol

VQ-038551

Reference Standard

Naltrexone chemical structure

CAS: 16590-41-3
Formula: C₂₀H₂₃NO₄
MW: 341.4 g/mol

In stock

Reference Standard

Naltrexone 3-Acetate chemical structure

Naltrexone 3-Acetate

CAS: 111129-14-7
Formula: C₂₂H₂₅NO₅
MW: 383.4 g/mol

VQ-026825

Reference Standard

Naltrexone EP Impurity A chemical structure

Naltrexone EP Impurity A

CAS: 1007856-83-8
Formula: C₁₇H₁₇NO₅
MW: 315.32 g/mol

VQ-023202

Reference Standard

Naltrexone EP Impurity C chemical structure

Naltrexone EP Impurity C

CAS: 189016-90-8
Formula: C₂₀H₂₃NO₄
MW: 341.4 g/mol

VQ-023201

Reference Standard

Naltrexone EP Impurity C Hydrochloride chemical structure

Naltrexone EP Impurity C Hydrochloride

CAS: 131670-05-8
Formula: C₂₀H₂₄ClNO₄
MW: 377.9 g/mol

VQ-032060

Reference Standard

Naltrexone EP Impurity D chemical structure

Naltrexone EP Impurity D

CAS: 607732-61-6
Formula: C₄₀H₄₄N₂O₈
MW: 680.8 g/mol

VQ-026821

Reference Standard

Naltrexone EP Impurity E chemical structure

Naltrexone EP Impurity E

CAS: 767615-69-0
Formula: C₂₄H₂₉NO₄
MW: 395.5 g/mol

VQ-023203

Reference Standard

Naltrexone EP Impurity F chemical structure

Naltrexone EP Impurity F

CAS: 2397651-97-5
Formula: C₂₀H₂₃NO₅
MW: 357.4 g/mol

VQ-026822

Reference Standard

Naltrexone EP Impurity H chemical structure

Naltrexone EP Impurity H

CAS: 503090-99-1
Formula: C₂₀H₂₅NO₄
MW: 343.4 g/mol

VQ-026823

Reference Standard

Naltrexone EP Impurity I chemical structure

Naltrexone EP Impurity I

CAS: 96445-14-6
Formula: C₂₀H₂₁NO₅
MW: 355.4 g/mol

VQ-021281

Reference Standard

Naltrexone EP Impurity J chemical structure

Naltrexone EP Impurity J

CAS: 16617-07-5
Formula: C₂₁H₂₅NO₄
MW: 355.4 g/mol

VQ-026824

Reference Standard

Naltrexone Hydrochloride chemical structure

Naltrexone Hydrochloride

CAS: 16676-29-2
Formula: C₂₀H₂₄ClNO₄
MW: 377.9 g/mol

In stock

Reference Standard

Naltrexone N-oxide chemical structure

Naltrexone N-oxide

CAS: 112269-62-2
Formula: C₂₀H₂₃NO₅
MW: 357.4 g/mol

VQ-023204

Reference Standard

Naltrexone-3-Glucuronide chemical structure

Naltrexone-3-Glucuronide

CAS: 76630-71-2
Formula: C₂₆H₃₁NO₁₀
MW: 517.5 g/mol

VQ-043727

Reference Standard

Nandrolone Decanoate chemical structure

Nandrolone Decanoate

CAS: 360-70-3
Formula: C₂₈H₄₄O₃
MW: 428.6 g/mol

VQ-026830

Reference Standard

Nandrolone Decanoate EP Impurity B chemical structure

Nandrolone Decanoate EP Impurity B

CAS: 1042947-85-2
Formula: C₂₉H₄₄O₃
MW: 440.7 g/mol

VQ-035048

Reference Standard

Nandrolone Decanoate EP impurity H chemical structure

Nandrolone Decanoate EP impurity H

CAS: 862-89-5
Formula: C₂₉H₄₆O₃
MW: 442.7 g/mol

VQ-026833

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