CAS 874638-80-9
It is the intermediate of Sofosbuvir
Appearance: A white to off-white powder
Purity: more than 98.0%
Total hydroxyl impurities: less than 0.20%
Total chlorinated impurities: less than 0.95%
Total Tribenzoyl impurities: less than 1.0%
Unknown impurities: less than 0.5%
Total impurities: less than 2.0%
Optical Isomers: less than 0.2%
Water: less than 0.25%
Loss on drying: less than 0.5%