2-Methyl-1,3-thiazole-4-carboxylic acid , with CAS number of 35272-15-2, can be called 2-Methyl-thiazole-4-carboxylic acid ; 2-Methyl-Thiazole-4-Carboxylic ; 2-Methyl-1,3-thiazole-4-carboxylic acid ,97% .