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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-Propylidenebutanedioic acid chemical structure

2-Propylidenebutanedioic acid

CAS: 5796-70-3
Formula: C₇H₁₀O₄
MW: 158.15 g/mol

VQ-038872

Reference Standard

2-Pyridylacetic acid-d6 Hydrochloride chemical structure

2-Pyridylacetic acid-d6 Hydrochloride

CAS: 1329799-67-8
Formula: C₇H₈ClNO₂
MW: 179.63 g/mol

VQ-027834

Reference Standard

2-Pyridylethylamine chemical structure

2-Pyridylethylamine

CAS: 2706-56-1
Formula: C₇H₁₀N₂
MW: 122.17 g/mol

VQ-039959

Reference Standard

2-Pyrimidinemethanamine hydrochloride chemical structure

2-Pyrimidinemethanamine hydrochloride

CAS: 372118-67-7
Formula: C₅H₈ClN₃
MW: 145.59 g/mol

VQ-035863

Reference Standard

2-Pyrrolidinylphosphonic Acid chemical structure

2-Pyrrolidinylphosphonic Acid

CAS: 73858-59-0
Formula: C₄H₁₀NO₃P
MW: 151.1 g/mol

VQ-020756

Reference Standard

2-Quinoxalinecarboxylic Acid-d4 (Major) chemical structure

2-Quinoxalinecarboxylic Acid-d4 (Major)

CAS: 2244217-89-6
Formula: C₉H₆N₂O₂
MW: 178.18 g/mol

VQ-036138

Reference Standard

2-Stearoyl-Sn-Glycero-3-Phosphocholine chemical structure

2-Stearoyl-Sn-Glycero-3-Phosphocholine

CAS: 4421-58-3
Formula: C₂₆H₅₄NO₇P
MW: 523.7 g/mol

VQ-040477

Reference Standard

2-Sulfamoylacetylphenol chemical structure

2-Sulfamoylacetylphenol

CAS: 74538-97-9
Formula: C₈H₉NO₄S
MW: 215.23 g/mol

VQ-045145

Reference Standard

2-Sulfobenzoic acid chemical structure

2-Sulfobenzoic acid

CAS: 632-25-7
Formula: C₇H₆O₅S
MW: 202.19 g/mol

VQ-032588

Reference Standard

2-tert-Butyl-5-Methylphenol chemical structure

2-tert-Butyl-5-Methylphenol

CAS: 88-60-8
Formula: C₁₁H₁₆O
MW: 164.24 g/mol

VQ-032364

Reference Standard

2-Tert-Butylaniline chemical structure

2-Tert-Butylaniline

CAS: 6310-21-0
Formula: C₁₀H₁₅N
MW: 149.23 g/mol

VQ-043363

Reference Standard

2-Tert-Butylbenzenesulfonamide chemical structure

2-Tert-Butylbenzenesulfonamide

CAS: 193013-72-8
Formula: C₁₀H₁₅NO₂S
MW: 213.3 g/mol

VQ-029478

Reference Standard

2-Tetrahydrofuroic Acid chemical structure

2-Tetrahydrofuroic Acid

CAS: 16874-33-2
Formula: C₅H₈O₃
MW: 116.11 g/mol

VQ-021490

Reference Standard

2-Thioadenosine chemical structure

2-Thioadenosine

CAS: 43157-50-2
Formula: C₁₀H₁₃N₅O₄S
MW: 299.31 g/mol

VQ-032726

Reference Standard

2-Thiomorpholinol chemical structure

2-Thiomorpholinol

CAS: 2097678-00-5
Formula: C₄H₉NOS
MW: 119.19 g/mol

VQ-036480

Reference Standard

2-Thiopheneethanol Tosylate chemical structure

2-Thiopheneethanol Tosylate

CAS: 40412-06-4
Formula: C₁₃H₁₄O₃S₂
MW: 282.4 g/mol

VQ-033681

Reference Standard

2-Tolperisone HCL chemical structure

2-Tolperisone HCL

CAS: 91625-73-9
Formula: C₁₆H₂₄ClNO
MW: 281.82 g/mol

VQ-028439

Reference Standard

2-Toluidine-d7 chemical structure

CAS: 68408-22-0
Formula: C₇H₉N
MW: 114.2 g/mol

VQ-048658

Reference Standard

2, 3-Dihydroxy-N,N,N-Trimethylpropan-1-Aminium Chloride chemical structure

2, 3-Dihydroxy-N,N,N-Trimethylpropan-1-Aminium Chloride

CAS: 34004-36-9
Formula: C₆H₁₆ClNO₂
MW: 169.65 g/mol

VQ-026427

Reference Standard

2, 4-Dicyanonitrobenzene chemical structure

2, 4-Dicyanonitrobenzene

CAS: 52054-41-8
Formula: C₈H₃N₃O₂
MW: 173.13 g/mol

VQ-048346

Reference Standard

2,2`-(Cyclopropane-1,1-diyl)diacetic acid chemical structure

2,2`-(Cyclopropane-1,1-diyl)diacetic acid

CAS: 70197-77-2
Formula: C₇H₁₀O₄
MW: 158.15 g/mol

VQ-038489

Reference Standard

2,2`-[5-[(2,5-Dioxotetrahydro-1H-1-pyrrolyl)methyl]-1,3-phenylene]di(2-methylpropionitrile) chemical structure

2,2`-[5-[(2,5-Dioxotetrahydro-1H-1-pyrrolyl)methyl]-1,3-phenylene]di(2-methylpropionitrile)

CAS: 1301724-97-9
Formula: C₁₉H₂₁N₃O₂
MW: 323.4 g/mol

VQ-047403

Reference Standard

2,2`-Ethylenedianiline chemical structure

2,2`-Ethylenedianiline

CAS: 34124-14-6
Formula: C₁₄H₁₆N₂
MW: 212.29 g/mol

VQ-021992

Reference Standard

2,2- Dichloro-1-(3-hydroxy-phenyl)-ethanone chemical structure

2,2- Dichloro-1-(3-hydroxy-phenyl)-ethanone

CAS: 85299-04-3
Formula: C₈H₆Cl₂O₂
MW: 205.03 g/mol

VQ-033694

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