Erythromycin EP Impurity L is a pharmaceutical reference standard impurity used in quality control and analytical testing. It is a macrolide-related compound with a complex polyoxygenated structure, commonly employed as a certified reference material for the identification and quantification of related substances in erythromycin drug substance and drug product testing.
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.
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CAS 127955-44-6
PUBCHEM_71315393
pharmaceutical intermediate
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl)oxy-6-[3-hydroxy-6-methyl-4-[methyl(trideuterio(113C)methyl)amino]oxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione
pharmaceutical raw material
Erythromycin f
pharmaceutical raw material
Erythromycin propionate
pharmaceutical raw material
1-((R)-3-(4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)-3-((S)-3-(4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)propan-1-one
pharmaceutical raw material
Risperidone Pyrimidinone-N-oxide
pharmaceutical raw material
1',4-Dihydroxy Midazolam
pharmaceutical raw material
Hydrocortisone EP Impurity I
pharmaceutical raw material
N-[(2S,3R,4S,6R)-2-[[(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-2,10-dioxo-oxacyclotetradec-6-yl]oxy]-3-hydroxy-6-methyloxan-4-yl]-N-methylformamide
GTUJGRXTLVETBU-RWJQBGPGSA-N
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