Acetylisovaleryltylosin Tartrate Alias: Aivlosin CAS NO.: 63428-13-7 M.F.: C53H87NO19.x(C4H6O6) M.W.: 1192.3437 Assay: 99% Appearance: light brown or brown powder Package:25kg/fibre drum Specification: BP2007/USP31 Usage: It is a new generation of macrolide antibiotics. It can prevent microbial protein synthesis, which play a bactericidal effect