Chemical name : Tylosin, 4a-o-de(2, 6-dideoxy-3-c-methyl-alpha-l-ribo-hexopyranosyl)-20-deoxy-20-(3, 5-dimethyl-1-piperidinyl)-(20(cis: trans)) Appearance: white or off white crystalline powder Molecular formula: c46h80n2o13 Molecular weight: 869.15 Standard : usp29 Cas:108050 -54 - 0 Assay 85 Water 5.0 Cis isomer82.0-88.0 Trans isomer12.0-18.0 Individual impurities3 Total impurities10 Package: 20kg/drum Valid: 3 years 25kg/drum
