SPL Set ID: 28109dee-3e5e-492b-b7d9-9ba46c0b5324
1 drug(s) with this SPL Set ID
Rifampin is a semisynthetic antibiotic derivative of rifamycin SV. Rifampin is a red-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: Rifampin capsules, USP for oral administration, contain 150 mg or 300 mg rifampin per capsule. The 150 mg and 300 mg capsules also contain the following inactive ingredients: colloidal silicon dioxide, corn starch, D&C Yellow #10 aluminum lake, docusate sodium, FD&C blue #1, FD&C blue #1 aluminum lake, FD&C blue #2 aluminum lake, FD&C red #40, FD&C red #40 aluminum lake, gelatin, magnesium stearate, microcrystalline cellulose, propylene glycol, shellac glaze, sodium benzoate, black iron oxide, talc, and titanium dioxide. The 150 mg capsules also contain D&C yellow #10, and D&C Red #28. structure-formual.jpg