CAS 24683-20-3

1,2-Benzisothiazole-2(3H)-acetic acid, 3-oxo-, ethyl ester, 1,1-dioxide

Description:

1,2-Benzisothiazole-2(3H)-acetic acid, 3-oxo-, ethyl ester, 1,1-dioxide, with CAS number 24683-20-3, is a chemical compound that features a benzisothiazole core, which is a bicyclic structure containing both a benzene ring and a thiazole ring. This compound is characterized by its acetic acid moiety and an ethyl ester functional group, contributing to its solubility and reactivity. The presence of the 1,1-dioxide indicates that it has two oxygen atoms bonded to the sulfur atom in the thiazole ring, which can influence its chemical properties, such as stability and reactivity. Typically, compounds of this nature may exhibit biological activity, making them of interest in pharmaceutical and agrochemical research. They may also possess unique optical properties due to their aromatic structure. Overall, the characteristics of this compound suggest potential applications in various fields, including medicinal chemistry and materials science, although specific biological or chemical activities would require further investigation.

Formula: C₁₁H₁₁NO₅S

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

InChI key: InChIKey=YKCQHUPTHHPHGX-UHFFFAOYSA-N

SMILES: O=S1(=O)C=2C(C(=O)N1CC(OCC)=O)=CC=CC2

Synonyms:

• (1,1,3-Trioxo-1,3-dihydro-1λ*6*-benzo[d]isothiazol-2-yl)-acetic acid ethyl ester
• 1,2-Benzisothiazoline-2-acetic acid, 3-oxo-, ethyl ester, 1,1-dioxide
• 1,2-benzisothiazole-2(3H)-acetic acid, 3-oxo-, ethyl ester, 1,1-dioxide
• Benzo[d]isothiazol-3-one, 2-(2-ethoxy-2-oxoethyl)-, 1,1-dioxide

Piroxicam EP Impurity E

CAS: 24683-20-3

Formula: C₁₁H₁₁NO₅S

Molecular weight: 269.27

Ref: 4Z-P-2518

Ethyl (1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate

Controlled Product

CAS: 24683-20-3

Formula: C₁₁H₁₁NO₅S

Color and Shape: Neat

Molecular weight: 269.27

Ref: 86-MM0084.05

Saccharin N-(2-Acetic Acid Ethyl Ester)(Piroxicam Impurity E)

Controlled Product

CAS: 24683-20-3

Impurity Piroxicam EP Impurity E
Applications Piroxicam impurity E.
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-S080820

Piroxicam EP Impurity E

CAS: 24683-20-3

Formula: C₁₁H₁₁NO₅S

Molecular weight: 269.27

Ref: ST-EA-CP-P22005

3-Oxo-1,2-benzisothiazole-2(3H)-acetic acid ethyl ester 1,1-dioxide

CAS: 24683-20-3

3-Oxo-1,2-benzisothiazole-2(3H)-acetic acid ethyl ester 1,1-dioxide is an impurity in the synthesis of a drug. It is not active and has no known therapeutic value. 3-Oxo-1,2-benzisothiazole-2(3H)-acetic acid ethyl ester 1,1-dioxide is used as a reference standard for HPLC and has been shown to be metabolized by cytochrome P450 enzymes.

Formula: C₁₁H₁₁NO₅S

Purity: Min. 95%

Color and Shape: White to off-white solid.

Molecular weight: 269.27 g/mol

Ref: 3D-IO57893