Josamycin Propionate EP Impurity B is a chemical compound used as a pharmaceutical impurity reference standard. It is a structural analogue of josamycin, a macrolide antibiotic, and is primarily employed in quality control and analytical testing to identify and quantify related impurities in josamycin drug substances.
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CAS 56827-17-9
Josamycin Propionate EP Impurity A
Pharmaceutical impurity reference standard
9-Propionyljosamycin
macrolide antibiotic active pharmaceutical ingredient
Miocamycin
active pharmaceutical ingredient
3-Chloro-5-methylbenzoic acid
n.a
N,N''-DIBUTYLGUANIDINE
n.a
11-Maleimidoundecanoic acid
n.a
4,4-dimethyl-3,5,8-trioxabicyclo[5.1.0]octane
n.a
Josamycin
macrolide antibiotic active pharmaceutical ingredient
[(2S,3S,4R,6S)-6-[(2R,3S,4R,5R,6S)-4-(dimethylamino)-5-hydroxy-6-[[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-hydroxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-10-propanoyloxy-1-oxacyclohexadeca-11,13-dien-6-yl]oxy]-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] butanoate
ISKOAAADCGAQJP-KGUCJUEMSA-N
CCCC(=O)O[C@H]1[C@@H](O[C@H](C[C@@]1(C)O)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2N(C)C)O)O[C@H]3[C@H](C[C@H]([C@H](/C=C/C=C/C[C@H](OC(=O)C[C@H]([C@@H]3OC)O)C)OC(=O)CC)C)CC=O)C)C