Chemical name:Spiramycin MF:C40H67NO14 MW:785.96 CAS:8025-81-8
Appearance White to light yellow powder Specific optical rotation -80.5°~-85° Identification UV test:conform TLC test:conform A brown color develop PH 8.5-10.5 Loss on drying 3.0%max Related substances According to EP97 Heavy metal 20ppm max Sulfated ash 0.1%max Assay 4200IU/mg calculated with reference to the anhydrous substance