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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.

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

2-Ethylbutyl L-alaninate chemical structure

2-Ethylbutyl L-alaninate

CAS: 946565-74-8
Formula: C₉H₁₉NO₂
MW: 173.25 g/mol

VQ-033488

Reference Standard

2-Ethylhexyl-4-aminobenzoate chemical structure

2-Ethylhexyl-4-aminobenzoate

CAS: 26218-04-2
Formula: C₁₅H₂₃NO₂
MW: 249.35 g/mol

VQ-037141

Reference Standard

2-Ethylpyridine-4-carbonitrile chemical structure

2-Ethylpyridine-4-carbonitrile

CAS: 1531-18-6
Formula: C₈H₈N₂
MW: 132.16 g/mol

VQ-030606

Reference Standard

2-Fluoro Atorvastatin Sodium Salt chemical structure

2-Fluoro Atorvastatin Sodium Salt

CAS: 1346598-86-4
Formula: C₃₃H₃₄FN₂NaO₅
MW: 580.6 g/mol

VQ-035827

Reference Standard

2-Fluoro Atorvastatin tert-Butyl Ester chemical structure

2-Fluoro Atorvastatin tert-Butyl Ester

CAS: 1099474-28-8
Formula: C₄₀H₄₇FN₂O₅
MW: 654.8 g/mol

VQ-043888

Reference Standard

2-Fluoro-2-phenylacetophenone chemical structure

2-Fluoro-2-phenylacetophenone

CAS: 77294-82-7
Formula: C₁₄H₁₁FO
MW: 214.23 g/mol

VQ-024415

Reference Standard

2-Fluoro-4-iodoaniline chemical structure

2-Fluoro-4-iodoaniline

CAS: 29632-74-4
Formula: C₆H₅FIN
MW: 237.01 g/mol

VQ-038820

Reference Standard

2-Fluoro-4-methoxy-5-nitroaniline chemical structure

2-Fluoro-4-methoxy-5-nitroaniline

CAS: 1569986-91-9
Formula: C₇H₇FN₂O₃
MW: 186.14 g/mol

VQ-049359

Reference Standard

2-Fluoro-4-methylbiphenyl chemical structure

2-Fluoro-4-methylbiphenyl

CAS: 69168-29-2
Formula: C₁₃H₁₁F
MW: 186.22 g/mol

VQ-037367

Reference Standard

2-Fluoro-4-nitrotoluene chemical structure

2-Fluoro-4-nitrotoluene

CAS: 1427-07-2
Formula: C₇H₆FNO₂
MW: 155.13 g/mol

VQ-044231

Reference Standard

2-Fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzamide chemical structure

2-Fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzamide

CAS: 1956340-97-8
Formula: C₁₆H₁₂FN₃O₂
MW: 297.28 g/mol

VQ-038726

Reference Standard

2-Fluoro-6-methoxybenzenesulfonyl chloride chemical structure

2-Fluoro-6-methoxybenzenesulfonyl chloride

CAS: 1176126-31-0
Formula: C₇H₆ClFO₃S
MW: 224.64 g/mol

VQ-029991

Reference Standard

2-Fluoro-6-nitrobenzenesulfonyl Chloride chemical structure

2-Fluoro-6-nitrobenzenesulfonyl Chloride

CAS: 887266-98-0
Formula: C₆H₃ClFNO₄S
MW: 239.61 g/mol

VQ-044641

Reference Standard

2-Fluoro-alpha-(2-methyl-1-oxopropyl)-gamma-oxo-N,beta-diphenyl-benzenebutanamide chemical structure

2-Fluoro-alpha-(2-methyl-1-oxopropyl)-gamma-oxo-N,beta-diphenyl-benzenebutanamide

CAS: 1797905-42-0
Formula: C₂₆H₂₄FNO₃
MW: 417.5 g/mol

VQ-020859

Reference Standard

2-Fluoro-N-methyl-4-(methylamino)benzamide chemical structure

2-Fluoro-N-methyl-4-(methylamino)benzamide

CAS: 2894796-75-7
Formula: C₉H₁₁FN₂O
MW: 182.19 g/mol

VQ-037021

Reference Standard

2-Fluoro-N-methylbenzamide chemical structure

2-Fluoro-N-methylbenzamide

CAS: 52833-63-3
Formula: C₈H₈FNO
MW: 153.15 g/mol

VQ-037015

Reference Standard

2-Heptyl Chloroformate chemical structure

2-Heptyl Chloroformate

CAS: 290819-03-3
Formula: C₈H₁₅ClO₂
MW: 178.65 g/mol

VQ-029981

Reference Standard

2-Hydrazino Adenosine chemical structure

2-Hydrazino Adenosine

CAS: 15763-11-8
Formula: C₁₀H₁₅N₇O₄
MW: 297.27 g/mol

VQ-027763

Reference Standard

2-Hydrazinobenzoic Acid chemical structure

2-Hydrazinobenzoic Acid

CAS: 5326-27-2
Formula: C₇H₈N₂O₂
MW: 152.15 g/mol

VQ-036602

Reference Standard

2-Hydrazinylacetic Acid chemical structure

2-Hydrazinylacetic Acid

CAS: 14150-64-2
Formula: C₂H₆N₂O₂
MW: 90.08 g/mol

VQ-038673

Reference Standard

2-Hydroxy Almotriptan chemical structure

2-Hydroxy Almotriptan

CAS: 1309457-19-9
Formula: C₁₇H₂₅N₃O₃S
MW: 351.5 g/mol

VQ-020761

Reference Standard

2-Hydroxy Atorvastatin chemical structure

2-Hydroxy Atorvastatin

CAS: 214217-86-4
Formula: C₃₃H₃₅FN₂O₆
MW: 574.6 g/mol

VQ-021673

Reference Standard

2-Hydroxy Atorvastatin Calcium Salt chemical structure

2-Hydroxy Atorvastatin Calcium Salt

CAS: 265989-46-6
Formula: C₆₆H₆₈CaF₂N₄O₁₂
MW: 1187.3 g/mol

VQ-024400

Reference Standard

2-Hydroxy Atorvastatin Lactone chemical structure

2-Hydroxy Atorvastatin Lactone

CAS: 163217-74-1
Formula: C₃₃H₃₃FN₂O₅
MW: 556.6 g/mol

VQ-021656

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