SPL Set ID: 8be91604-d7cd-4f2b-997d-e3364e4092e5
1 drug(s) with this SPL Set ID
Rifampin for injection, USP is a red colored lyophilized powder or cake that contains rifampin USP 600 mg, sodium formaldehyde sulfoxylate 10 mg, and sodium hydroxide to adjust pH. Rifampin is a semisynthetic antibiotic derivative of rifamycin SV. Rifampin USP is a red to brown crystalline powder very slightly soluble in water at neutral pH, freely soluble in chloroform, soluble in ethyl acetate and in methanol. Its molecular weight is 822.95 and its chemical formula is C 43 H 58 N 4 O 12 . The chemical name for rifampin is either: 3-[[(4-Methyl-1-piperazinyl)imino]methyl]rifamycin or 5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22–heptamethyl-8-[N-(4-methyl-1-piperazinyl)formimidoyl]-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho[2,1- b ]furan-1,11(2H)-dione 21-acetate. Its structural formula is: structural formula