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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

Carvedilol Impurity B chemical structure

Carvedilol Impurity B

CAS: 918903-20-5
Formula: C₃₉H₃₉N₃O₆
MW: 645.7 g/mol

In stock

Reference Standard

Carvedilol Impurity C chemical structure

Carvedilol Impurity C

CAS: 72955-94-3
Formula: C₃₁H₃₂N₂O₄
MW: 496.6 g/mol

VQ-004617

Reference Standard

Carvedilol Impurity D chemical structure

Carvedilol Impurity D

CAS: 51997-51-4
Formula: C₁₅H₁₃NO₂
MW: 239.27 g/mol

In stock

Reference Standard

Carvedilol Impurity F chemical structure

Carvedilol Impurity F

CAS: 1059573-45-3
Formula: C₃₃H₃₆N₂O₆
MW: 556.6 g/mol

VQ-022043

Reference Standard

Carvedilol Ketone Impurity chemical structure

Carvedilol Ketone Impurity

CAS: 933442-50-3
Formula: C₂₄H₂₄N₂O₄
MW: 404.5 g/mol

VQ-029670

Reference Standard

Carvedilol O-Desmethyl O-Aminoethyl Impurity chemical structure

Carvedilol O-Desmethyl O-Aminoethyl Impurity

CAS: 1391052-10-0
Formula: C₂₅H₂₉N₃O₄
MW: 435.5 g/mol

VQ-035172

Reference Standard

Carvedilol Phosphate chemical structure

Carvedilol Phosphate

CAS: 374779-45-0
Formula: C₂₄H₂₉N₂O₈P
MW: 504.5 g/mol

In stock

Reference Standard

Carvedilol Phosphate Hydrate chemical structure

Carvedilol Phosphate Hydrate

CAS: 610309-89-2
Formula: C₄₈H₆₀N₄O₁₇P₂
MW: 1027 g/mol

VQ-007379

Reference Standard

Carvedilol WS chemical structure

CAS: 72956-09-3
Formula: C₂₄H₂₆N₂O₄
MW: 406.5 g/mol

In stock

Reference Standard

Carvedilol β-D-Glucuronide chemical structure

Carvedilol β-D-Glucuronide

CAS: 114869-83-9
Formula: C₃₀H₃₄N₂O₁₀
MW: 582.6 g/mol

VQ-022045

Reference Standard

Carvedilol-d3 chemical structure

CAS: 1020719-25-8
Formula: C₂₄H₂₆N₂O₄
MW: 409.5 g/mol

VQ-036177

Reference Standard

Carvedilol-d4 chemical structure

CAS: 1133705-56-2
Formula: C₂₄H₂₆N₂O₄
MW: 410.5 g/mol

VQ-029674

Reference Standard

Carvedilol-d5 chemical structure

CAS: 929106-58-1
Formula: C₂₄H₂₆N₂O₄
MW: 411.5 g/mol

VQ-036176

Reference Standard

Carvone chemical structure

CAS: 99-49-0
Formula: C₁₀H₁₄O
MW: 150.22 g/mol

VQ-027083

Reference Standard

Caryophyllene oxide chemical structure

Caryophyllene oxide

CAS: 1139-30-6
Formula: C₁₅H₂₄O
MW: 220.35 g/mol

VQ-027218

Reference Standard

CAS NO: | 4-(3-nitrophenyl) morpholin-3-one chemical structure

CAS NO: | 4-(3-nitrophenyl) morpholin-3-one

CAS: 845729-43-3
Formula: C₁₀H₁₀N₂O₄
MW: 222.2 g/mol

VQ-027854

Reference Standard

CAS NO: | 4-(trifluoromethyl)-10H-phenothiazine chemical structure

CAS NO: | 4-(trifluoromethyl)-10H-phenothiazine

CAS: 343-21-5
Formula: C₁₃H₈F₃NS
MW: 267.27 g/mol

VQ-037347

Reference Standard

Cascaroside A chemical structure

CAS: 53823-08-8
Formula: C₂₇H₃₂O₁₄
MW: 580.5 g/mol

VQ-032822

Reference Standard

Caspofungin chemical structure

CAS: 162808-62-0
Formula: C₅₂H₈₈N₁₀O₁₅
MW: 1093.3 g/mol

VQ-007381

Reference Standard

Caspofungin EP Impurity D chemical structure

Caspofungin EP Impurity D

CAS: 314080-31-4
Formula: C₅₀H₈₂N₈O₁₆
MW: 1051.2 g/mol

VQ-024825

Reference Standard

Caspofungin EP Impurity E chemical structure

Caspofungin EP Impurity E

CAS: 150283-04-8
Formula: C₅₀H₈₂N₈O₁₆
MW: 1051.2 g/mol

VQ-024824

Reference Standard

Caspofungin Hydroxylamine Impurity chemical structure

Caspofungin Hydroxylamine Impurity

CAS: 1671884-42-6
Formula: C₅₂H₈₈N₁₀O₁₆
MW: 1109.3 g/mol

VQ-024826

Reference Standard

Caspofungin Impurity 13

Caspofungin Impurity 13

CAS: 1240611-93-1
Formula: C₅₄H₉₀N₁₀O₁₈
MW: 1167.4 g/mol

VQ-036180

Reference Standard

Caspofungin Impurity 15

Caspofungin Impurity 15

CAS: 2142583-72-8
Formula: C₅₂H₈₈N₁₀O₁₄
MW: 1077.31 g/mol

VQ-036179

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