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methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide

methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide Structure
CAS No.
6639-62-9
Chemical Name:
methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide
Synonyms
NSC 49216;Einecs 229-646-3;Piroxicam EP IMP D;PiroxicaM IMpurity D;Methyl (1,1-Dioxido-3-oxo-1,2-benzi;Saccharin N-(2-Acetic Acid Methyl Ester);methyl 2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetate;methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide;Methyl 2-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3h)-yl)acetate;Methyl 3-oxo-2,3-dihydro-1,2-benzothiazole-2-acetate 1,1-dioxide
CBNumber:
CB7890053
Molecular Formula:
C10H9NO5S
Molecular Weight:
255.25
MOL File:
6639-62-9.mol
Modify Date:
2023/5/15 10:43:47

methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide Properties

Melting point 121-123℃
Boiling point 434.5±47.0 °C(Predicted)
Density 1.499±0.06 g/cm3(Predicted)
storage temp. Refrigerator
solubility Chloroform (Slightly), Methanol (Slightly)
form Solid
pka -16.92±0.20(Predicted)
color White

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H319
Precautionary statements  P301+P312+P330-P305+P351+P338

methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

Piroxicam impurity D.

methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide Preparation Products And Raw materials

Raw materials

Preparation Products

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methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide 2,3-DIHYDRO-3-OXO-1,2-BENZOISOTHIAZOLE-2-ACETIC ACID METHYL ESTER 1,1-DIOXIDE 3-Oxo-1,2-benzoisothiazoline-2-acetic Acid Methyl Ester 1,1-Dioxide (Piroxicam Impurity D) Einecs 229-646-3 3-Oxo-1,2-benzoisothiazole-2(3H)acetic acid methyl ester,1-dioxide NSC 49216 PiroxicaM IMpurity D Saccharin N-(2-Acetic Acid Methyl Ester) Methyl 3-oxo-2,3-dihydro-1,2-benzothiazole-2-acetate 1,1-dioxide Methyl (1,1-Dioxido-3-oxo-1,2-benzi Imp. D (EP): Methyl(1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate methyl 2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetate Methyl 2-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3h)-yl)acetate 1,2-Benzisothiazole-2(3H)-acetic acid, 3-oxo-, methyl ester, 1,1-dioxide Piroxicam EP Impurity D Methyl (1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate Piroxicam Related Compound D (50 mg) (Methyl 2-[1,1-dioxido-3-oxobenzoisothiazol-2(3H)-yl]acetate) Piroxicam EP IMP D 6639-62-9 Aromatics Heterocycles Intermediates & Fine Chemicals Pharmaceuticals Sulfur & Selenium Compounds