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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

Cariprazine Methylurethane Analogue chemical structure

Cariprazine Methylurethane Analogue

CAS: 1231947-89-9
Formula: C₂₀H₂₉Cl₂N₃O₂
MW: 414.4 g/mol

VQ-024806

Reference Standard

Cariprazine N-Oxide chemical structure

Cariprazine N-Oxide

CAS: 1084891-96-2
Formula: C₂₁H₃₂Cl₂N₄O₂
MW: 443.4 g/mol

VQ-022017

Reference Standard

Cariprazine-d6 chemical structure

CAS: 1308278-67-2
Formula: C₂₁H₃₂Cl₂N₄O
MW: 433.4 g/mol

VQ-024807

Reference Standard

Cariprazine-d8 chemical structure

CAS: 1308278-69-4
Formula: C₂₁H₃₂Cl₂N₄O
MW: 435.5 g/mol

VQ-029660

Reference Standard

Cariprazine-D8 chemical structure

CAS: 1308278-50-3
Formula: C₂₁H₃₂Cl₂N₄O
MW: 435.5 g/mol

VQ-043960

Reference Standard

Carisoprodol EP Impurity B chemical structure

Carisoprodol EP Impurity B

CAS: 7148-50-7
Formula: C₈H₁₄O₃
MW: 158.19 g/mol

VQ-027091

Reference Standard

Carisoprodol EP Impurity C chemical structure

Carisoprodol EP Impurity C

CAS: 78-26-2
Formula: C₇H₁₆O₂
MW: 132.2 g/mol

VQ-024809

Reference Standard

Carisoprodol isopropyl impurity chemical structure

Carisoprodol isopropyl impurity

CAS: 1729-14-2
Formula: C₁₅H₃₀N₂O₄
MW: 302.41 g/mol

VQ-024813

Reference Standard

Carisoprodol-d3 chemical structure

Carisoprodol-d3

CAS: 1215602-82-6
Formula: C₁₂H₂₄N₂O₄
MW: 263.35 g/mol

VQ-029661

Reference Standard

Carisoprodol-d6

Carisoprodol-d6

CAS: 1218911-71-7
Formula: C₁₂H₁₈D₆N₂O₄
MW: 266.37 g/mol

VQ-044060

Reference Standard

Carisoprodol-d7 chemical structure

Carisoprodol-d7

CAS: 1218911-70-6
Formula: C₁₂H₂₄N₂O₄
MW: 267.37 g/mol

VQ-034935

Reference Standard

Carmustine chemical structure

CAS: 154-93-8
Formula: C₅H₉Cl₂N₃O₂
MW: 214.05 g/mol

VQ-022024

Reference Standard

Carmustine EP Impurity B chemical structure

Carmustine EP Impurity B

CAS: 689-98-5
Formula: C₂H₆ClN
MW: 79.53 g/mol

VQ-024095

Reference Standard

Carnitine Chloride Impurity 3 chemical structure

Carnitine Chloride Impurity 3

CAS: 117604-42-9
Formula: C₆H₁₅Cl₂NO
MW: 188.09 g/mol

VQ-048863

Reference Standard

Carnosol chemical structure

CAS: 5957-80-2
Formula: C₂₀H₂₆O₄
MW: 330.4 g/mol

VQ-039610

Reference Standard

Caroverine chemical structure

CAS: 23465-76-1
Formula: C₂₂H₂₇N₃O₂
MW: 365.5 g/mol

VQ-047700

Reference Standard

Carpaine chemical structure

CAS: 3463-92-1
Formula: C₂₈H₅₀N₂O₄
MW: 478.7 g/mol

VQ-040036

Reference Standard

Carphedone chemical structure

CAS: 77472-70-9
Formula: C₁₂H₁₄N₂O₂
MW: 218.25 g/mol

VQ-036170

Reference Standard

Carprofen chemical structure

CAS: 53716-49-7
Formula: C₁₅H₁₂ClNO₂
MW: 273.71 g/mol

VQ-022026

Reference Standard

Carprofen EP Impurity A chemical structure

Carprofen EP Impurity A

CAS: 252288-17-8
Formula: C₁₆H₁₂ClNO₄
MW: 317.72 g/mol

VQ-021077

Reference Standard

Carprofen EP Impurity B chemical structure

Carprofen EP Impurity B

CAS: 52263-68-0
Formula: C₁₅H₁₃NO₂
MW: 239.27 g/mol

VQ-021074

Reference Standard

Carprofen EP Impurity C chemical structure

Carprofen EP Impurity C

CAS: 92841-21-9
Formula: C₁₄H₁₂ClNO
MW: 245.7 g/mol

VQ-022027

Reference Standard

Carprofen EP Impurity D chemical structure

Carprofen EP Impurity D

CAS: 92841-22-0
Formula: C₁₄H₁₀ClNO
MW: 243.69 g/mol

VQ-022030

Reference Standard

Carprofen EP Impurity E chemical structure

Carprofen EP Impurity E

CAS: 2732-25-4
Formula: C₁₂H₈ClN
MW: 201.65 g/mol

VQ-022029

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