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 isomer：82.0-88.0％　　　　　　　　 trans isomer：12.0-18.0％
Individual impurities：≤3％　　　　　　Total impurities：≤10％

Package: 25kg/drum                             valid: 3 years