CAS 24683-21-4

2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-, ethyl ester, 1,1-dioxide

Description:

2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-, ethyl ester, 1,1-dioxide, commonly referred to by its CAS number 24683-21-4, is a chemical compound characterized by its benzothiazine core structure, which features a fused benzene and thiazine ring. This compound typically exhibits properties associated with both acidic and ester functionalities, making it relevant in various chemical reactions and applications. The presence of the carboxylic acid group suggests it can participate in acid-base reactions, while the ethyl ester moiety indicates potential for hydrolysis and reactivity in esterification processes. The 1,1-dioxide designation implies the presence of a sulfone group, which can influence the compound's polarity and solubility in organic solvents. Additionally, the hydroxyl group contributes to its potential for hydrogen bonding, affecting its physical properties such as boiling point and solubility. Overall, this compound may find applications in pharmaceuticals, agrochemicals, or as an intermediate in organic synthesis due to its unique structural features and reactivity.

Formula: C₁₁H₁₁NO₅S

InChI: InChI=1S/C11H11NO5S/c1-2-17-11(14)9-10(13)7-5-3-4-6-8(7)18(15,16)12-9/h3-6,12-13H,2H2,1H3

InChI key: InChIKey=KHQMRIBGVBXDMI-UHFFFAOYSA-N

SMILES: OC=1C=2C(S(=O)(=O)NC1C(OCC)=O)=CC=CC2

Synonyms:

• 2H-1,2-benzothiazine-3-carboxylic acid, 4-hydroxy-, ethyl ester, 1,1-dioxide

Piroxicam EP Impurity H

CAS: 24683-21-4

Formula: C₁₁H₁₁NO₅S

Color and Shape: White To Off-White Solid

Molecular weight: 269.27

Ref: 4Z-P-2519

Piroxicam EP Impurity H

Controlled Product

CAS: 24683-21-4

Formula: C₁₁H₁₁NO₅S

Color and Shape: Neat

Molecular weight: 269.27

Ref: 86-MM0084.06

Ethyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide(Piroxicam Impurity H)

Controlled Product

CAS: 24683-21-4

Impurity Piroxicam EP Impurity H
Applications Piroxicam Impurity H.
References Lombardino, J., et al.: J. Med. Chem., 14, 1171 (1971), Turck, D., et al.: Clin. Drug Invest., 9, 270 (1995),

Formula: C₁₁H₁₁NO₅S

Color and Shape: White To Off-White

Molecular weight: 269.27

Ref: TR-E918850

4-Hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide

CAS: 24683-21-4

Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID) that belongs to the group of carboxylic acid esters. It has been approved for the treatment of pain and inflammation caused by osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, and other conditions. Piroxicam is available in tablets, capsules, injectable solutions, and topical creams. The pharmacokinetics of piroxicam have been studied using intravenous and oral administration in healthy volunteers. Tolerability and side effects are minimal with piroxicam.

Formula: C₁₁H₁₁NO₅S

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 269.27 g/mol

Ref: 3D-IH57894

Ethyl 4-hydroxy-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide

CAS: 24683-21-4

Purity: 95%

Molecular weight: 269.269989

Ref: 10-F610728

Piroxicam EP Impurity H

CAS: 24683-21-4

Formula: C₁₁H₁₁NO₅S

Molecular weight: 269.27

Ref: ST-EA-CP-P22008