Impurities-NanJing Chemlin

All Active Pharmaceutical Ingredients Amino Acids Peptides

Brivaracetam impurity 30

16750-40-6 97% 3 weeks

1-(2,4-dinitrophenyl)-1lambda5-pyridin-1-ylium chloride

N-(2,3-dihydro-1H-inden-1-yl)hydroxylamine

4-chloro-3-nitro-5-sulfamoylbenzamide

3-nitro-5-sulfamoylbenzoic acid

(R)-3-(4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carbaldehyde

3,4-dichloro-5-sulfamoylbenzoic acid

Ibrutinib Impurity 35

(R)-1-(1-Acryloylpiperidin-3-yl)-4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo (3,4-d)pyrimidine 5-oxide

4-phenoxybenzoyl chloride

Brivaracetam impurity 21

145032-58-2 97% 3 weeks

2-chloro-4-isocyanato-1-(trifluoromethyl)benzene

2-[4-(pyrrolidin-1-yl)phenyl]acetic acid

(2S)-N-(2,6-dimethylphenyl)-1-propylpiperidine-2-carboxamide hydrochloride

(4-chlorophenyl)(2-methoxyphenyl)methanone

benzyl(prop-2-yn-1-yl)amine

Brivaracetam impurity 133

42918-86-5 97% 3 weeks

5-bromo-2-chloropyrimidin-4-ol

benzyl N-[4-cyano-3-(trifluoromethyl)phenyl]carbamate

4-(bromomethyl)-3-methoxybenzonitrile

83 84 85 86 87 88 89 90 91 92

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