RoxithromycinRoxithromycin 
CAS: 80214-83-1 
Assay: more than 98%. 
Standard: EP/BP/USP
Packing: 25Kg/cardboard drum.
Categories: Veterinaries
MF: C41H76N2O15 
MW: 837.05 
Character: White Solid, mp 111-118°C. 
Usage: Semisynthetic erythromycin derivative. Antibacterial raw material.