Methyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide

CAS: 35511-15-0

Ref. TR-M312845

Product Information

• Name: Methyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide
• Synonyms: Piroxicam Imp. J (EP),Methyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide, Meloxicam Imp. E (EP), 2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, methyl ester, 1,1-dioxide, 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid methyl ester 1,1-dioxide, 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid methyl ester 1,1-dioxide
• Brand: TRC

Description

Impurity Piroxicam EP Impurity J
Applications Methyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam EP Impurity J) is an impurity found in Meloxicam (M216100).
References Lombardino, J., et al.: J. Med. Chem., 14, 1171 (1971), Shin, S., et al.: Drug Dev. Ind. Pharm., 26, 563 (2000),

Chemical properties

• Molecular weight: 269.27
• Formula: C₁₁H₁₁NO₅S
• Color/Form: Neat
• InChI: InChI=1S/C11H11NO5S/c1-12-9(11(14)17-2)10(13)7-5-3-4-6-8(7)18(12,15)16/h3-6,13H,1-2H3
• InChI key: InChIKey=NGHIOTWSWSQQNT-UHFFFAOYSA-N
• SMILES: COC(=O)C1=C(O)c2ccccc2S(=O)(=O)N1C