Erythromycin EP Impurity E
[CAS# 33396-29-1]

Identification

• Classification: Analytical chemistry >> Standard >> Forensic and veterinary standards
• Name: Erythromycin EP Impurity E
• Synonyms: Erythromycin A enol ether;(2R,3R,4S,5R,8R,9S,10S,11R,12R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-5-ethyl-3,4-dihydroxy-9-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-2,4,8,10,12,14-hexamethyl-6,15-dioxabicyclo[10.2.1]pentadec-1(14)-en-7-one
• Molecular Formula: C₃₇H₆₅NO₁₂
• Molecular Weight: 715.91
• CAS Registry Number: 33396-29-1
• EC Number: 641-788-1
• SMILES: CC[C@@H]1[C@@]([C@@H]([C@H](C2=C(C[C@@](O2)([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]3C[C@@]([C@H]([C@@H](O3)C)O)(C)OC)C)O[C@H]4[C@@H]([C@H](C[C@H](O4)C)N(C)C)O)C)C)C)O)(C)O

Properties

• Solubility: Slightly soluble (chloroform , methanol)
• Melting point: 138-407 °C