Product name Methyl Isothiocyanate CAS No. [556-61-6] Molecular form C2H3NS Molecular weight 73.11 Quality index Colorless crystals, slightly soluble in water, soluble in alcohol and ether. Assay,% ≥99.0% Melting point, 35.0-36.0 Moisture,% ≤1% Package 25KG per drum Usage As important intermediate for Cepnalosporins. Used in synthesizing Cefazaflur, cefivitril, cefmenoxime.