Impurities & Reference Standards
API Impurities
Source 1942 api impurities for research, QC and production, documented with COA and SDS.
14,098products
1,516in stock
COA + SDSwith every lot
4-Isothiocyanato-2-(trifluoromethyl)benzoic acid
- CAS
- 1705583-65-8
- Formula
- C9H4F3NO2S
- MW
- 247.2 g/mol
VQ-030501
4-Methoxy-5-(3-morpholinopropoxy)-2-nitrobenzonitrile
- CAS
- 675126-26-8
- Formula
- C15H19N3O5
- MW
- 321.33 g/mol
VQ-030956
![4-Methoxybenzyl (6R,7R)-7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate chemical structure](/media/structures/PBKFYMCZYNFVIA-IUODEOHRSA-N.svg)
4-Methoxybenzyl (6R,7R)-7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
- CAS
- 106773-36-8
- Formula
- C16H17ClN2O4S
- MW
- 368.8 g/mol
VQ-035053
4-Methyl-2-(1-methyl-5-(2-morpholino-2-oxoethyl)-1H-pyrrol-2-yl)benzaldehyde
- CAS
- 2514774-68-4
- Formula
- C19H22N2O3
- MW
- 326.4 g/mol
VQ-034323
4-Methyl-2-propyl-1H-benzimidazole-6-carboxylic Acid Methyl Ester
- CAS
- 152628-00-7
- Formula
- C13H16N2O2
- MW
- 232.28 g/mol
VQ-032658
4-Methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)benzamide
- CAS
- 851137-91-2
- Formula
- C17H15N5O
- MW
- 305.33 g/mol
VQ-032155
4-Methyl-3-oxo-N-phenyl-2- (phenylmethylene) pentanamide
- CAS
- 125971-57-5
- Formula
- C19H19NO2
- MW
- 293.4 g/mol
VQ-029261
4-Methyl-5-(2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl)thiazol-2-amine
- CAS
- 1357476-69-7
- Formula
- C13H14F3N3S
- MW
- 301.33 g/mol
VQ-045096
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