Package: 25kg/drum

Molecular Structure:

Product description: Synonyms: RTC;Copegus;varazid;1-β-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxamide;VIRAMID;Ribavirin; 1-(β-D-Ribofuranosyl)-1,2,4-triazole-3-carboxamide;rtca;virazol;Ravanex;REBETOL; VIRAZID;vilona; Characters:White or almost white Crystalline Powder Specific rotation: -33.5°to -37.0° Individual impurity≤0.25% Total impurities≤1.0% Loss on drying: Not more than 0.5% Residue on Ignition: Not more than 0.25% Heavy Metals: Not more than 0.001% Assay: 98.9% to 101.5% Conclusion: Meets the USP38 requirements。