Sub Group: Heterocyclic Compounds Catalog Number: 6331 Formula: C16H17N3O4S2 CAS Number: 881399-30-0 Molecular Weight: 379.45 Synonyms: N-Ethyl-4-hydroxy-2-methyl-N-(5-methyl-2-thiazolyl)-2H-1,2-benzothiazine-3-carboxamide 1,1-DioxideMeloxicam Impurity