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Impurities & Reference Standards

API Impurities

Source 1942 api impurities for research, QC and production, documented with COA and SDS.

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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-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

Reference Standard

2,3-Dihydroxypropyl benzenebutanoate chemical structure

2,3-Dihydroxypropyl benzenebutanoate

CAS: 1292210-87-7
Formula: C₁₃H₁₈O₄
MW: 238.28 g/mol

VQ-041454

Reference Standard

2,3-Diketo-L-gulonic acid chemical structure

2,3-Diketo-L-gulonic acid

CAS: 3445-22-5
Formula: C₆H₈O₇
MW: 192.12 g/mol

VQ-026376

Reference Standard

2,3-Diketogulonic Acid chemical structure

2,3-Diketogulonic Acid

CAS: 3409-57-2
Formula: C₆H₈O₇
MW: 192.12 g/mol

VQ-026375

Reference Standard

2,3-Dimethoxy-4-isopropylphenylmethyl alcohol chemical structure

2,3-Dimethoxy-4-isopropylphenylmethyl alcohol

CAS: 118088-55-4
Formula: C₁₂H₁₈O₃
MW: 210.27 g/mol

VQ-044172

Reference Standard

2,3-Dimethoxyphenethylamine chemical structure

2,3-Dimethoxyphenethylamine

CAS: 3213-29-4
Formula: C₁₀H₁₅NO₂
MW: 181.23 g/mol

VQ-030244

Reference Standard

2,3-Dimethyl-2H-indazol-6-amine hydrochloride chemical structure

2,3-Dimethyl-2H-indazol-6-amine hydrochloride

CAS: 635702-60-2
Formula: C₉H₁₂ClN₃
MW: 197.66 g/mol

VQ-027402

Reference Standard

2,3-Dimethyl-4-(2,2,2-trifluoroethoxy)pyridine chemical structure

2,3-Dimethyl-4-(2,2,2-trifluoroethoxy)pyridine

CAS: 343871-48-7
Formula: C₉H₁₀F₃NO
MW: 205.18 g/mol

VQ-031443

Reference Standard

2,3-Dimethyl-4,6-dinitro-N-(pentan-3-yl)aniline chemical structure

2,3-Dimethyl-4,6-dinitro-N-(pentan-3-yl)aniline

CAS: 2724543-66-0
Formula: C₁₃H₁₉N₃O₄
MW: 281.31 g/mol

VQ-044186

Reference Standard

2,3-Dimethyl-6-(methyl(2-((4-methyl-3-sulfamoylphenyl)amino)pyrimidin-4-yl)amino)-2H-indazole 2-oxide chemical structure

2,3-Dimethyl-6-(methyl(2-((4-methyl-3-sulfamoylphenyl)amino)pyrimidin-4-yl)amino)-2H-indazole 2-oxide

CAS: 1821666-74-3
Formula: C₂₁H₂₃N₇O₃S
MW: 453.5 g/mol

VQ-043606

Reference Standard

2,3-Dimethyl-6-Nitro-2H-Indazole chemical structure

2,3-Dimethyl-6-Nitro-2H-Indazole

CAS: 444731-73-1
Formula: C₉H₉N₃O₂
MW: 191.19 g/mol

VQ-027400

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