Ethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity K), >95% (HPLC)

cas: 24683-26-9 — see every product listed under this CAS number, including other names

Ethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity K), >95% (HPLC) (CAS 24683-26-9) is a chemical reagent available from Chemat. Available pack sizes: 5g. Offered by: TRC.

• 2D
• 3D

Ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate (CAS 24683-26-9) is a chemical compound with the molecular formula C12H13NO5S and a molecular weight of 283.30 g/mol. IUPAC name: ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate. InChIKey: QWTNANUGXZEPFQ-UHFFFAOYSA-N.

Identity

Molecular formula	C12H13NO5S
Molecular weight	283.30 g/mol
IUPAC name	ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate
InChIKey	QWTNANUGXZEPFQ-UHFFFAOYSA-N
SMILES	CCOC(=O)C1=C(C2=CC=CC=C2S(=O)(=O)N1C)O

Computed by PubChem (NCBI)

Synonyms: Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide, 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethylester 1,1-dioxide, MELOXICAM IMPURITY A [EP IMPURITY], PIROXICAM IMPURITY K [EP IMPURITY], MELOXICAM IMPURITY A (EP IMPURITY), PIROXICAM IMPURITY K (EP IMPURITY), Ethyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide, ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate, Piroxicam Impurity K, 2-Methyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester1,1-dioxide

Isomers (same molecular formula)

propan-2-yl 2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetate C₁₂H₁₃NO₅S

propan-2-yl 4-hydroxy-1,1-dioxo-2H-1lambda6,2-benzothiazine-3-carboxylate C₁₂H₁₃NO₅S

3-(1,3-dioxoisoindol-2-yl)propyl methanesulfonate C₁₂H₁₃NO₅S

methyl 4-methoxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate C₁₂H₁₃NO₅S