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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-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 Lisdexamfetamine Impurity chemical structure

2-Hydroxy Lisdexamfetamine Impurity

CAS: 2415710-17-5
Formula: C₁₅H₂₅N₃O₂
MW: 279.38 g/mol

VQ-038083

Reference Standard

2-Hydroxy-3-methylbenzaldehyde chemical structure

2-Hydroxy-3-methylbenzaldehyde

CAS: 824-42-0
Formula: C₈H₈O₂
MW: 136.15 g/mol

VQ-049101

Reference Standard

2-Hydroxy-3,5-diisopropylbenzoic acid chemical structure

2-Hydroxy-3,5-diisopropylbenzoic acid

CAS: 2215-21-6
Formula: C₁₃H₁₈O₃
MW: 222.28 g/mol

VQ-033373

Reference Standard

2-Hydroxy-5-methoxybenzimidazole chemical structure

2-Hydroxy-5-methoxybenzimidazole

CAS: 2080-75-3
Formula: C₈H₈N₂O₂
MW: 164.16 g/mol

VQ-030560

Reference Standard

2-Hydroxymethyl-3,5-dimethyl-4-nitropyridine chemical structure

2-Hydroxymethyl-3,5-dimethyl-4-nitropyridine

CAS: 149082-03-1
Formula: C₈H₁₀N₂O₃
MW: 182.18 g/mol

VQ-044142

Reference Standard

2-Hydroxymethylphenylboronic Acid Dehydrated chemical structure

2-Hydroxymethylphenylboronic Acid Dehydrated

CAS: 5735-41-1
Formula: C₇H₇BO₂
MW: 133.94 g/mol

VQ-025091

Reference Standard

2-Isoniazid chemical structure

CAS: 1452-63-7
Formula: C₆H₇N₃O
MW: 137.14 g/mol

VQ-031267

Reference Standard

2-Isonicotinoyl-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one chemical structure

2-Isonicotinoyl-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one

CAS: 923571-15-7
Formula: C₁₇H₁₅NO₄
MW: 297.3 g/mol

VQ-030281

Reference Standard

2-Isopropoxyethyl 4-(oxiran-2-ylmethoxy)benzoate chemical structure

2-Isopropoxyethyl 4-(oxiran-2-ylmethoxy)benzoate

CAS: 1346603-05-1
Formula: C₁₅H₂₀O₅
MW: 280.32 g/mol

VQ-024608

Reference Standard

2-Isopropoxyethyl Methanesulfonate chemical structure

2-Isopropoxyethyl Methanesulfonate

CAS: 235097-76-4
Formula: C₆H₁₄O₄S
MW: 182.24 g/mol

VQ-032646

Reference Standard

2-Isopropyl-6-methyl-4-pyrimidone chemical structure

2-Isopropyl-6-methyl-4-pyrimidone

CAS: 2814-20-2
Formula: C₈H₁₂N₂O
MW: 152.19 g/mol

VQ-036666

Reference Standard

2-Keto Zolpidem chemical structure

2-Keto Zolpidem

CAS: 400038-68-8
Formula: C₁₉H₁₉N₃O₂
MW: 321.4 g/mol

VQ-034762

Reference Standard

2-Keto-D-Glucose chemical structure

2-Keto-D-Glucose

CAS: 1854-25-7
Formula: C₆H₁₀O₆
MW: 178.14 g/mol

VQ-040303

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