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Catalogue Number:D231135
Chemical Name:N-Demethyl-N-formyl Clarithromycin
Synonyms:N-Demethyl-N-formyl-6-O-methylerythromycin; 3"-N-Demethyl-3"-N-formylclarithromycin; Clarithromycin EP Impurity H; USP Clarithromycin Impurity H
Impurity:Clarithromycin EP Impurity H/ Erythromycin EP Impurity L
CAS Number:127140-69-6
Molecular Formula:C₃₈H₆₇NO₁₄
Appearance:White to Pale Yellow Solid
Melting Point:>230°C (dec.)
Molecular Weight:761.94
Storage:4°C
Solubility:Chloroform (Slightly), Methanol (Slightly)
Stability
Hygroscopic
Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites; Carbohydrates and Oligosaccharides; Semi-Synthetic;
Applications:N-Demethyl-N-formylclarithromycin (Clarithromycin EP Impurity H) is an impurity of the semi-synthetic macrolide antibiotic Clarithromycin (C559750).
References:Chen, X. et al.: Zhong. Yao., 17, 32 (2008);
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