<H1>BACTROBAN</H1><P> BACTROBAN CREAM (mupirocin calcium cream), 2% contains the dihydrate crystalline calcium hemi-salt of the antibiotic mupirocin. Chemically, it is (αE,2S,3R,4R,5S)-5-[(2S,3S,4S,5S)-2,3-Epoxy-5-hydroxy-4-methylhexyl]tetrahydro-3,4-dihydroxy-β-methyl-2H-pyran-2-crotonic acid, ester with 9-hydroxynonanoic acid, calcium salt (2:1), dihydrate.
The molecular formula of mupirocin calcium is (C26H43O9)2Ca•2H2O, and the molecular weight is 1075.3. The molecular weight of mupirocin free acid is 500.6.</P>
The molecular formula of mupirocin calcium is (C26H43O9)2Ca•2H2O, and the molecular weight is 1075.3. The molecular weight of mupirocin free acid is 500.6.</P>