Azithromycin EP Impurity B(2R,3R,4S,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C- methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-4,10- dihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3- (dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-Oxa-6- 96%

KarpsChem is an independent research driven company specialized in the custom synthesis of pharmacopeia & non-pharmacopeia reference standards, drug gluconorides, drug metabolites, Isotope labelled reference standards and focused compound libraries. As a research-driven organization, we have developed novel processes to make niche products required to pharmaceutical companies globally at various platform. We understand the industry research needs thoroughly and have earned reputation for being most reliable innovator of pharmaceutical reference standards worldwide. Team having expertise of synthesis for undertaking CRAMs and CRO projects from Pharmaceutical, Agriculture and Veterinary industries. Variety of impurities like Genotoxic, Neurotoxic impurities required for agencies like USFDA, MHRDA etc,are available.