Clindamycin Phosphate EP Impurity K Catalogue K632431 CAS N/A M.W 991.90 M.F C36H66Cl2N4O15P2S2 Specifications FAQs Synonyms:2,2’-oxybis(hydroxyphosphoryl)bis[methyl 7-chloro-6,7,8-trideoxy-6-[[[(2S,4R)-1-methyl-4-propylpyrrolidin-2-yl]carbonyl]amino]-1-thio-L-threo-a-D-galacto-octopyranoside] (diclindamycin pyrophosphate)