We offer tamoxifen citrate chemical name: (z)-2-[4-(1, 2-diphenyl-1-butenyl)phenoxyl]-n, n-dimethyl-ethanamine-citrate; 1-p-beta-dimethylaminoethoxyphenyl-trans-1, 2-diphenylbut-1-ene citratemolecular formula: c26h29no.c6h8o7molecular weight: 563.64cas no.: 54965-24-1appearance: white crystalline powder ; mp: 140-144 ?cstandard: cp/2000; usp/26.