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Contact SupplierWe are offering product name:clindamycin hcl usp cas no:21462-39-5 category:chemotherapeutic agents sub category:antibiotics and antimicrobial agents uses:anti-infective molecular weight: 461.45 molecular formula:c18h33cln2o5s·hcl chemical name: l-threo-a-d-galacto-octopyranoside,methyl 7-chloro-6,7,8-trideoxy-6-[[(1-methyl-4-propyl-2-pyrrolidinyl)-carbonyl]amino]-1-thio-,(2s-trans)-,monohydrochloride specifications: 1.name of product:- clindamycin hcl 2.appearance:-white to almost white crystalline powder 3.identification:- ir, hplc 4.ph:- 3.0 to 5.0 5.water:- 3.0% to 5.5% 6.specific optical rotation:- +135º to +150º 7.sulphated ash;- nmt 0.5% 8.related substances:- clindamycin b:-nmt 2.0% 7-epiclindamycin;- nmt 4.0% other impurity;- nmt 1.0% total impurities:- nmt 6.0% assay:- 91.0% to 102.0% 9.residual solvents:- acetone:- nmt 5000 ppm ethanol:- nmt 5000 ppm.