Detail of 2-Methylthiopyra Name:2-Methylthiopyrazine Molecular Formula:C5H6N2S CAS No.:21948-70-9 4-Hydroxy-2,5-dimethyl-3(2H)furanone Identification Name 2-Methylthiopyrazine Synonyms cas 21948-70-9 Molecular Formula C5H6N2S Molecular Weight 128.13 CAS Registry Number 3658-77-3 EINECS 222-908-8 FEMA 3174 Density 1.05 Melting point 76-82 ºC Refractive index 1.435