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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

Bacitracin A chemical structure

CAS: 22601-59-8
Formula: C₆₆H₁₀₃N₁₇O₁₆S
MW: 1422.7 g/mol

VQ-024480

Reference Standard

Bacitracin B1 chemical structure

CAS: 57762-79-5
Formula: C₆₅H₁₀₁N₁₇O₁₆S
MW: 1408.7 g/mol

VQ-021722

Reference Standard

Bacitracin B2 chemical structure

CAS: 57762-78-4
Formula: C₆₅H₁₀₁N₁₇O₁₆S
MW: 1408.7 g/mol

VQ-024481

Reference Standard

Bacitracin B3 chemical structure

CAS: 149146-32-7
Formula: C₆₅H₁₀₁N₁₇O₁₆S
MW: 1408.7 g/mol

VQ-024482

Reference Standard

Bacitracin C2 chemical structure

CAS: 149146-34-9
Formula: C₆₄H₉₉N₁₇O₁₆S
MW: 1394.6 g/mol

VQ-029343

Reference Standard

Bacitracin EP Impurity B chemical structure

Bacitracin EP Impurity B

CAS: 149146-35-0
Formula: C₆₄H₉₉N₁₇O₁₆S
MW: 1394.6 g/mol

VQ-029342

Reference Standard

Bacitracin EP Impurity D

Bacitracin EP Impurity D

CAS: 1403-02-7
Formula: C₆₃H₉₇N₁₇O₁₆S
MW: 1380.6 g/mol

VQ-029344

Reference Standard

Bacitracin EP Impurity F chemical structure

Bacitracin EP Impurity F

CAS: 167289-64-7
Formula: C₆₅H₉₆N₁₆O₁₇S
MW: 1405.6 g/mol

VQ-021723

Reference Standard

Bacitracin EP Impurity G chemical structure

Bacitracin EP Impurity G

CAS: 144572-54-3
Formula: C₆₅H₉₆N₁₆O₁₇S
MW: 1405.6 g/mol

VQ-021724

Reference Standard

Bacitracin EP Impurity H chemical structure

Bacitracin EP Impurity H

CAS: 144572-55-4
Formula: C₆₅H₉₆N₁₆O₁₇S
MW: 1405.6 g/mol

VQ-021725

Reference Standard

Bacitracin EP Impurity I chemical structure

Bacitracin EP Impurity I

CAS: 167289-62-5
Formula: C₆₄H₉₄N₁₆O₁₇S
MW: 1391.6 g/mol

VQ-035906

Reference Standard

Bacitracin EP Impurity J chemical structure

Bacitracin EP Impurity J

CAS: 167289-63-6
Formula: C₆₄H₉₄N₁₆O₁₇S
MW: 1391.6 g/mol

VQ-029345

Reference Standard

Bacitracin EP Impurity K chemical structure

Bacitracin EP Impurity K

CAS: 144572-52-1
Formula: C₆₄H₉₄N₁₆O₁₇S
MW: 1391.6 g/mol

VQ-021726

Reference Standard

Bacitracin F chemical structure

CAS: 22601-63-4
Formula: C₆₆H₉₈N₁₆O₁₇S
MW: 1419.6 g/mol

VQ-021721

Reference Standard

Bacitracin-Zinc chemical structure

Bacitracin-Zinc

CAS: 1405-89-6
Formula: C₆₆H₁₀₁N₁₇O₁₆SZn
MW: 1486.1 g/mol

VQ-024483

Reference Standard

Baclofen amide impurity

Baclofen amide impurity

CAS: 1500708-07-5
Formula: C₁₀H₁₀ClNO₃
MW: 227.6 g/mol

VQ-024489

Reference Standard

Baclofen EP Impurity F chemical structure

Baclofen EP Impurity F

CAS: 4846-95-1
Formula: C₁₀H₁₁Cl₂NO₂
MW: 248.1 g/mol

VQ-029346

Reference Standard

Baclofen EP Impurity G Hydrochloride chemical structure

Baclofen EP Impurity G Hydrochloride

CAS: 947583-11-1
Formula: C₁₄H₂₀ClNO₂
MW: 269.77 g/mol

VQ-021730

Reference Standard

Baclofen Impurity 30

Baclofen Impurity 30

CAS: 81187-88-4
Formula: C₁₀H₉ClO₂
MW: 196.63 g/mol

VQ-035908

Reference Standard

Baclofen Impurity A chemical structure

Baclofen Impurity A

CAS: 22518-27-0
Formula: C₁₀H₁₀ClNO
MW: 195.64 g/mol

In stock

Reference Standard

Baclofen Impurity A (Sodium)

Baclofen Impurity A (Sodium)

CAS: 113933-06-5
Formula: C₁₀H₁₀ClNO.Na
MW: 218.65 g/mol

VQ-004472

Reference Standard

Baclofen Impurity B chemical structure

Baclofen Impurity B

CAS: 1141-23-7
Formula: C₁₁H₁₂ClNO₃
MW: 241.67 g/mol

In stock

Reference Standard

Baclofen Impurity G chemical structure

Baclofen Impurity G

CAS: 114661-63-1
Formula: C₁₄H₂₀ClNO₂
MW: 269.77 g/mol

VQ-044945

Reference Standard

Baclofen Methyl ester Hydrochloride chemical structure

Baclofen Methyl ester Hydrochloride

CAS: 213407-11-5
Formula: C₁₁H₁₅Cl₂NO₂
MW: 264.14 g/mol

VQ-024491

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