Mupirocin - Impurity A

40980-51-6

Mupirocin Calcium Impurity A (EP/BP); 9-[[(2E)-4-[(2S,3R,4R,5R)-3,4,5-Trihydroxy-5-[[(2S,3S)3-[(1S,2S)-2-Hydroxy-1-methylpropyl]oxiranyl]methyl]tetrahydro-2H-pyran-2-yl]-3-methylbut-2-enoyl]oxy]nonanoic Acid; (2E)-5,9-Anhydro-2,3,4-trideoxy-8-C-[[(2S,3S)-3-[(1S,2S)-2-hydroxy-1-methylpropyl]oxiranyl]methyl]-3-methyl-D-allo-non-2-enonic Acid 8-Carboxyoctyl Ester; [2E,8[2S,3S(1S,2S)]]-5,9-Anhydro-2,3,4-trideoxy-8-C-[[3-(2-hydroxy-1-methylpropyl)oxiranyl]methyl]-3-methyl-D-allo-non-2-enonic Acid 8-Carboxyoctyl Ester; Pseudomonic Acid I;