Ethyl 4-Hydroxy-2-methyl-2H-1,

1) Cat. No.: TRC-E918980; 2) Chemical Name: Ethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity K); 3) CAS No.: 24683-26-9; 4) Mol. Formula: C12H13NO5S; 5) Mol. Weight: 283.3; 6) Packing Size: 10g / 100g; 7) Appearence: White to Off-White Solid; 8) Application Notes: Piroxicam impurity K. Also an impurity found in meloxicam (M216100).; 9) Synonym: 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic Acid Ethyl Ester 1,1-Dioxide; Piroxicam Impurity K;; 10) Solubility: DMSO, Methanol; 11) Storage condition: -20°C Freezer; 12) References: Chang, S., et al.: J. Bacteriol., 71, 4071 (1989), Tahirov, T., et al.: J. Mol. Biol., 284, 101 (1998), Meng, L., et al.: Biochemistry, 41, 7199 (2002), Luo, Q., et al.: J. Med. Chem., 2631 (2003),