Nystatin Topical Powder

Nystatin is a polyene antifungal antibiotic obtained from The molecular formula for Nystatin is CHNO. The molecular weight of Nystatin is 926.09. Structural formula: Nystatin topical powder is for dermatologic use. Nystatin topical powder contains 100,000 USP nystatin units per… Continue Reading


The topical corticosteroids constitute a class of primarily synthetic steroids used as anti-inflammatory and antipruritic agents. Triamcinolone acetonide is a member of this class. Triamcinolone acetonide is chemically pregna-1,4-diene-3,20-dione, 9-fluoro-11,21-dihydroxy-16,17-[(1-methylethylidene)bis-(oxy)]-(11β, 16α)- with the empirical formula C H FO and molecular… Continue Reading


OLYSIO (simeprevir) is an inhibitor of the HCV NS3/4A protease. The chemical name for simeprevir is (2,3a,10,11a,12a,14a)–(cyclopropylsulfonyl)-2-[[2-(4-isopropyl-1,3-thiazol-2-yl)-7-methoxy-8-methyl-4-quinolinyl]oxy]-5-methyl-4,14-dioxo-2,3,3a,4,5,6,7,8,9,11a,12,13,14,14a-tetradecahydrocyclopenta[]cyclopropa[][1,6]diazacyclotetradecine-12a(1)-carboxamide. Its molecular formula is CHNOS and its molecular weight is 749.94. Simeprevir has the following structural formula: Simeprevir drug substance is a white… Continue Reading


Natalizumab is a recombinant humanized IgG4κ monoclonal antibody produced in murine myeloma cells. Natalizumab contains human framework regions and the complementarity-determining regions of a murine antibody that binds to α4-integrin. The molecular weight of natalizumab is 149 kilodaltons. TYSABRI (natalizumab)… Continue Reading


Mercaptopurine, a nucleoside metabolic inhibitor, known chemically as 1,7-dihydro-6H-purine-6-thione monohydrate, is an analogue of the purine bases adenine and hypoxanthine. Mercaptopurine is a yellow, odorless or practically odorless, crystalline powder with a molecular formula of CHNS•HO and a molecular weight… Continue Reading