Ribavirin

Ribavirin C8H12N4O5=244.205 Standard: USP28, BP2003, EP5 Features: 1) Description: a white crystalline powder, odorless, free of visible contamination 2) Identification: IR spectrum conforms to reference standard 3) Specific rotation: -33.0 -37.0o (dried basis at 20oC) 4) Loss on drying: ≤0.5% 5) PH: 4.0 6.5 6) Sulphated ash: ≤0.1% 7) Heavy metals: ≤0.001% 8) Related substances a) Impurity F: ≤0.1% b) Any other impurity: ≤0.1% c) Total impurities: ≤0.2% 9) Disregard limit: 0.05% 10) Assay (dried basis): 98.0% 102.0%