post date: jan 17,2022 expiry date: jul 16,2022 detailed description: cas no. :873-64-3 cas registry number: 873-64-3 synonyms: ;2-ethyl-4,5-dimethyl thiazole;2-ethyl-4,5-dimethylthiazole; molecular formula: c7h11ns molecular weight: 141.2339 molecular structure: