SPL Set ID: 2777e4f2-2b8d-41f5-a96a-02dec8c7c3e0

Each gram of mupirocin ointment USP, 2% contains 20 mg mupirocin USP in a bland water miscible ointment base (polyethylene glycol ointment, N.F.) consisting of polyethylene glycol 400 and polyethylene glycol 3350. Mupirocin is a naturally occurring antibiotic. The chemical name is (E)-( 2 S, 3 R, 4 R, 5 S)- 5 -[( 2 S, 3 S, 4 S, 5 S) -2,3-Epoxy-5-hydroxy-4-methylhexyl]tetrahydro-3,4-dihydroxy-β-methyl-2 H -pyran-2-crotonic acid, ester with 9-hydroxynonanoic acid. The molecular formula of mupirocin is C 26 H 44 O 9 , and the molecular weight is 500.63. The chemical structure is: Structure of Mupirocin