ChemicalBook >> CAS DataBase List >>methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide
methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide
- 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;Piroxicam Related Compound 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
- CBNumber:
- CB7890053
- Molecular Formula:
- C10H9NO5S
- Molecular Weight:
- 255.25
- MDL Number:
- MFCD00071807
- MOL File:
- 6639-62-9.mol
- MSDS File:
- SDS
Last updated:2026-05-28 03:24:28
| Product description | Number | Pack Size | Price |
| (1,1,3-TRIOXO-1,3-DIHYDRO-BENZO(D)ISOTHIAZOL-2-YL)-ACETIC ACID METHYL ESTER AldrichCPR | S138940 | 1 unit | $121 |
| Piroxicam Related Compound D United States Pharmacopeia (USP) Reference Standard | 1544541 | 50MG | $1320 |
| (1,1,3-TRIOXO-1,3-DIHYDRO-BENZO(D)ISOTHIAZOL-2-YL)-ACETIC ACID METHYL ESTER AldrichCPR | S138940 | 10MG | $106 |
| 3-Oxo-1,2-benzoisothiazoline-2-acetic acid methyl ester 1,1-dioxide(piroxicam impurity D) | 286131 | 500mg | $439 |
| 3-Oxo-1,2-benzoisothiazoline-2-acetic acid methyl ester 1,1-dioxide(piroxicam impurity D) | 286131 | 1g | $645 |
| More product size | |||
| 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 |
| FDA UNII | QC3227JB2C |
| UNSPSC Code | 41116107 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H319 |
| Precautionary statements | P301+P312+P330-P305+P351+P338 |
| REACH Registrations | Active |
methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide price More Price(23)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | S138940 | (1,1,3-TRIOXO-1,3-DIHYDRO-BENZO(D)ISOTHIAZOL-2-YL)-ACETIC ACID METHYL ESTER AldrichCPR | 6639-62-9 | 1 unit | $121 | 2026-04-30 | Buy |
| Sigma-Aldrich | 1544541 | Piroxicam Related Compound D United States Pharmacopeia (USP) Reference Standard | 6639-62-9 | 50MG | $1320 | 2026-04-30 | Buy |
| Sigma-Aldrich | S138940 | (1,1,3-TRIOXO-1,3-DIHYDRO-BENZO(D)ISOTHIAZOL-2-YL)-ACETIC ACID METHYL ESTER AldrichCPR | 6639-62-9 | 10MG | $106 | 2023-06-20 | Buy |
| Usbiological | 286131 | 3-Oxo-1,2-benzoisothiazoline-2-acetic acid methyl ester 1,1-dioxide(piroxicam impurity D) | 6639-62-9 | 500mg | $439 | 2026-06-03 | Buy |
| Usbiological | 286131 | 3-Oxo-1,2-benzoisothiazoline-2-acetic acid methyl ester 1,1-dioxide(piroxicam impurity D) | 6639-62-9 | 1g | $645 | 2026-06-03 | Buy |
methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 59)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Career Henan Chemica Co | +86-0371-86658258 +86-13203830695 | laboratory@coreychem.com | China | 30203 | 58 |
| sgtlifesciences pvt ltd | +91-8790379245 | dj@sgtlifesciences.com | China | 12351 | 58 |
| XIAMEN AMITY INDUSTRY AND TRADE CO., LTD. | +8618950047208 | ellena@amitychem.com | China | 43392 | 58 |
| Pure Research Chemicals | +86-13564847951 +86-18019592524 | info@purerechem.com | China | 1000 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Chemsky（shanghai）International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32273 | 50 |
| BOC Sciences | 1-631-485-4226; 16314854226 | info@bocsci.com | United States | 9920 | 65 |
| Quality Control Solutions Ltd. | 0755-66853366 13670046396 | orders@qcsrm.com | China | 18188 | 56 |
| Beijing FYF Chemicals Co., Ltd | 010-57903446 15869909019 | 168931144@qq.com | China | 2849 | 58 |
| BOC Sciences | 16314854226 | info@bocsci.com | United States | 9909 | 65 |
6639-62-9(methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide)Related Search:
N-Ethyl-o/p-toluenesulfonamide
N-(2-hydroxyethyl)-N-methylbenzenesulfonamide
(1,1-DIOXIDO-3-OXO-1,2-BENZISOTHIAZOL-2(3H)-YL)ACETIC ACID
1,2-Benzisothiazol-3(2H)-one
Ethyl2,3-dihydro-3-oxo-1,2-benzisothiazole-2-acetate-1,1-dioxide
1of3
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 2-(1,1,3-trioxo-1,2-benzothiazol-2-yl)acetate
Imp. D (EP): Methyl(1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate
Methyl (1,1-Dioxido-3-oxo-1,2-benzi
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 Related Compound D (50 mg) (Methyl 2-[1,1-dioxido-3-oxobenzoisothiazol-2(3H)-yl]acetate)
Piroxicam EP IMP D
Piroxicam EP Impurity D
Methyl (1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate
Piroxicam Related Compound D
(1,1,3-TRIOXO-1,3-DIHYDRO-BENZO(D)ISOTHIAZOL-2-YL)-ACETIC ACID METHYL ESTER
6639-62-9
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Intermediates & Fine Chemicals
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