Product Name: Vitamin B1 CAS No: 59-43-8 EINECS No:201-507-1 Color: White Powder Purity: 99% What is Vitamin B1 Vitamin b1 is also called thiamine or fight neuritis vitamins or resistance beriberi, white crystal, the presence of oxidants easily by oxidative dehydrogenation thiamine, which appear blue fluorescence under uv irradiation.By the pyrimidine ring and based on the combination of the methyl thiazole ring a …