| Erythromycin A 9,11-Imino Ether is an impurity in the synthesis of Erythromycin, a macrolide antibiotic with broad spectrum of antibacterial activity. Synonyms: [1R-(1R*,2R*,3R*,6R*,7S*,8S*,9R*,10R*,12R*,15R*)]-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl)oxy]-3-ethyl-2,10-dihydroxy-2,6,8,10,12,15-hexamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl]oxy]-4,16-dioxa-14-azabicyclo[11.2.1]hexadec-13-en-5-one, (1R,2R,3R,6R,7S,8S,9R,10R,12R,15R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl)oxy]-3-ethyl-2,10-dihydroxy-2,6,8,10,12,15-hexamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl]oxy]-4,,16-Dioxa-14-azabicyclo[11.2.1]hexadec-13-en-5-one CAS No: 161193-44-8 Molecular Formula: C37H66N2O12 Molecular Weight: 730.93 Purity (HPLC): 95% Appearance: Off-white to pale yellow solid Melting Point: >134C (dec.) (lit) Solubility: Chloroform (Slightly), DMSO (Slightly) Atmosphere: Inert Gas Method for Determining Identity: Proton NMR Spectroscopic and Mass Spectrometric Analysis Elemental Analysis: Calculated: %C: 60.80, %H: 9.10, %N: 3.83 Water Content: As Reported Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20C. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Hygroscopic. Store under inert atmosphere. |