Ethyl 2,3-dihydro-3-oxo-1,2-benzisothiazole-2-acetate 1,1-dioxide

2,3-二氢-3-氧代-1,2-苯并异噻唑-2-乙酸乙酯-1,1-二氧化物

Also known as: Ethyl (1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate, Ethyl 2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetate, Ethyl 2-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)acetate, 1,2-Benzisothiazole-2(3H)-acetic acid, 3-oxo-, ethyl ester, 1,1-dioxide, Piroxicam Impurity E, Saccharin N-(2-Acetic Acid Ethyl Ester)(Piroxicam Impurity E), UNII-KN712V27AV, ethyl (3-oxo-1,2-benzoisothiazol-2(3H)-yl)acetate 1,1-dioxide, N-carbethoxymethyl-1,2-benzisothiazole-1,1-dioxide-3-one, N-(ethoxycarbonyl)methyl-1,2-benzisothiazol-3(2H)-one 1,1-dioxide

CAS No.
24683-20-3
Jingsj CID
J-1178469-6
Molecular Formula
C11H11NO5S
Chinese Name
2,3-二氢-3-氧代-1,2-苯并异噻唑-2-乙酸乙酯-1,1-二氧化物
Molecular Weight
269.27400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point441.4ºC at 760 mmHg
Density1.442g/cm3
Flash Point220.8ºC

Frequently Asked Questions

What is the CAS number of Ethyl 2,3-dihydro-3-oxo-1,2-benzisothiazole-2-acetate 1,1-dioxide?

24683-20-3

What are the molecular formula and molecular weight of Ethyl 2,3-dihydro-3-oxo-1,2-benzisothiazole-2-acetate 1,1-dioxide?

C11H11NO5S, molecular weight 269.27400 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026