Specification :

Name: Ribavirin
Another name: ribamidyl, rtca, varazid, viramid, virazole, virazolee;
1-beta-d-ribofuranos yl-1, 2, 4-triazole-3-carboxamide; 1-beta-d-ribofuranosyl-1h-1, 2, 4-tria
ole-3-carboxamide,
CAS NO.: 36791-04-5
Molecular formula : C8H12N4O5
Molecular weight : 244.21
Appearance: white crystalline powder. Odorless, tasteless. PH: 4.0^ 6.5;
Specific optical rotation: - 33° ^ – 37° ; Heavy metals: d0.001% ; Loss on drying: d0.5% ;
Sulphated ash: d0.1; Residue on ignition: d0.25% ;
Freely soluble in water, slightly soluble in ethanol ( 96 per cent) , slightly soluble or very slightly soluble in methylene chloride.
Usage: a broad-spectrum anti-viral properties, Inhibit a wide range of viruses such as respiratory syncytial virus, influenza virus, herpes simplex ect.
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