Ribavirin/36791-04-5 Assay: 98.5%~101.5% Chromatographic purity: single impurity<0.28% total impurities<1.0% Ribavirin/ virazole C8H12N4O5=244.205Standard: USP28, BP2003, EP5Features:1) Description: a white crystalline powder, odorless, free of visible contamination2) Identification: IR spectrum conforms to reference standard3) Specific rotation: -33.0 ~ -37.0o (dried basis at 20oC)4) Loss on ...