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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

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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

2,3-Bis-(2,2,2-Trifluoro-ethoxy)-benzoic acid chemical structure

2,3-Bis-(2,2,2-Trifluoro-ethoxy)-benzoic acid

CAS: 35480-50-3
Formula: C₁₁H₈F₆O₄
MW: 318.17 g/mol

VQ-032491

Reference Standard

2,3-Bisphosphoglyceric acid chemical structure

2,3-Bisphosphoglyceric acid

CAS: 138-81-8
Formula: C₃H₈O₁₀P₂
MW: 266.04 g/mol

VQ-040840

Reference Standard

2,3-Dehydro Simvastatin Acid (Sodium Salt) chemical structure

2,3-Dehydro Simvastatin Acid (Sodium Salt)

CAS: 393825-04-2
Formula: C₂₅H₃₇NaO₅
MW: 440.5 g/mol

VQ-043299

Reference Standard

2,3-Dehydrosilybin B chemical structure

2,3-Dehydrosilybin B

CAS: 142796-24-5
Formula: C₂₅H₂₀O₁₀
MW: 480.4 g/mol

VQ-042178

Reference Standard

2,3-Desisopropylidene Topiramate chemical structure

2,3-Desisopropylidene Topiramate

CAS: 851957-35-2
Formula: C₉H₁₇NO₈S
MW: 299.3 g/mol

VQ-034359

Reference Standard

2,3-Diaminotoluene-d6

2,3-Diaminotoluene-d6

Formula: C₇H₄D₆N₂
MW: 128.2 g/mol

VQ-007078

Reference Standard

2,3-Dichloro-1-propanol chemical structure

2,3-Dichloro-1-propanol

CAS: 616-23-9
Formula: C₃H₆Cl₂O
MW: 128.98 g/mol

VQ-032581

Reference Standard

2,3-Dichloro-2,3-dihydronaphthalene-1,4-dione chemical structure

2,3-Dichloro-2,3-dihydronaphthalene-1,4-dione

CAS: 1013-00-9
Formula: C₁₀H₆Cl₂O₂
MW: 229.06 g/mol

VQ-029265

Reference Standard

2,3-Dichloro-4-(methylsulfonyl)benzoic Acid chemical structure

2,3-Dichloro-4-(methylsulfonyl)benzoic Acid

CAS: 105917-77-9
Formula: C₈H₆Cl₂O₄S
MW: 269.1 g/mol

VQ-034651

Reference Standard

2,3-Dichloro-6-nitrobenzyl Alcohol chemical structure

2,3-Dichloro-6-nitrobenzyl Alcohol

CAS: 393078-37-0
Formula: C₇H₅Cl₂NO₃
MW: 222.02 g/mol

VQ-035727

Reference Standard

2,3-Dichlorobenzoic Anhydride chemical structure

2,3-Dichlorobenzoic Anhydride

CAS: 51417-52-8
Formula: C₁₄H₆Cl₄O₃
MW: 364 g/mol

VQ-037870

Reference Standard

2,3-Dichlorophenylacetic Acid chemical structure

2,3-Dichlorophenylacetic Acid

CAS: 10236-60-9
Formula: C₈H₆Cl₂O₂
MW: 205.03 g/mol

VQ-031039

Reference Standard

2,3-Difluorobenzoic Acid chemical structure

2,3-Difluorobenzoic Acid

CAS: 4519-39-5
Formula: C₇H₄F₂O₂
MW: 158.1 g/mol

VQ-032550

Reference Standard

2,3-Dihydro Acrivastine

2,3-Dihydro Acrivastine

CAS: 87849-01-2
Formula: C₂₂H₂₆N₂O₂
MW: 350.45 g/mol

VQ-021423

Reference Standard

2,3-Dihydro-2-oxo-1-H-benzimidazole-1-propanoic acid chemical structure

2,3-Dihydro-2-oxo-1-H-benzimidazole-1-propanoic acid

CAS: 75655-44-6
Formula: C₁₀H₁₀N₂O₃
MW: 206.2 g/mol

VQ-030272

Reference Standard

2,3-Dihydro-3,5-dihydroxy-6-methyl-4-pyrone chemical structure

2,3-Dihydro-3,5-dihydroxy-6-methyl-4-pyrone

CAS: 28564-83-2
Formula: C₆H₈O₄
MW: 144.12 g/mol

VQ-027365

Reference Standard

2,3-Dihydro-5-benzofuranethanol chemical structure

2,3-Dihydro-5-benzofuranethanol

CAS: 87776-76-9
Formula: C₁₀H₁₂O₂
MW: 164.2 g/mol

VQ-022312

Reference Standard

2,3-Dihydro-5-benzofuranethanol Methanesulfonate chemical structure

2,3-Dihydro-5-benzofuranethanol Methanesulfonate

CAS: 136081-60-2
Formula: C₁₁H₁₄O₄S
MW: 242.29 g/mol

VQ-043955

Reference Standard

2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one chemical structure

2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one

CAS: 896134-06-8
Formula: C₁₇H₁₅NO₄
MW: 297.3 g/mol

VQ-022427

Reference Standard

2,3-Dihydro-N,N-di-2-propyn-1-yl-1H-inden-1-amine chemical structure

2,3-Dihydro-N,N-di-2-propyn-1-yl-1H-inden-1-amine

CAS: 92850-02-7
Formula: C₁₅H₁₅N
MW: 209.29 g/mol

VQ-027760

Reference Standard

2,3-Dihydrobenzofuran-5-Acetic Acid chemical structure

2,3-Dihydrobenzofuran-5-Acetic Acid

CAS: 69999-16-2
Formula: C₁₀H₁₀O₃
MW: 178.18 g/mol

VQ-025197

Reference Standard

2,3-Dihydrowithaferin A chemical structure

2,3-Dihydrowithaferin A

CAS: 5589-41-3
Formula: C₂₈H₄₀O₆
MW: 472.6 g/mol

VQ-040758

Reference Standard

2,3-Dihydroxypropyl 3-amino-4-propoxybenzoate chemical structure

2,3-Dihydroxypropyl 3-amino-4-propoxybenzoate

CAS: 2102411-30-1
Formula: C₁₃H₁₉NO₅
MW: 269.29 g/mol

VQ-027658

Reference Standard

2,3-Dihydroxypropyl 4-chlorobenzoate chemical structure

2,3-Dihydroxypropyl 4-chlorobenzoate

CAS: 73301-01-6
Formula: C₁₀H₁₁ClO₄
MW: 230.64 g/mol

VQ-026166

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