Sourcing Josamycin Propionate EP Impurity B?
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Josamycin propionate
pharmaceutical raw material
Sourcing Josamycin Propionate EP Impurity B?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
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.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
[(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
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