2-Hydroxybenzo[d]isothiazol-3(2H)-one 1,1-dioxide CAS 164078-49-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 164078-49-3 |
| Molecular Formula | C7H5NO4S |
| Molecular Weight | 199.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Hydroxybenzo[d]isothiazol-3(2H)-one 1,1-dioxide (CAS 164078-49-3) pharmaceutical standards reference standard. Molecular formula: C7H5NO4S. Molecular weight: 199.18 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H5NO4S |
| Molecular Weight | 199.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxybenzo Standards
- 4-Hydroxybenzo[d]isothiazol-3(2H)-one 1,1-dioxide (CAS 80563-77-5)
- 2-Hydroxybenzo[d]thiazole-6-carboxylic Acid (CAS 99615-68-6)
- 6-Hydroxybenzo[d]isothiazole-3-carboxylic acid (CAS 932702-33-5)
- 7-Hydroxybenzo[b]thiophene-6-carboxylic acid (CAS 1000774-33-3)
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- 6-HYDROXYBENZO[B]THIOPHENE-2-CARBOXYLIC ACID (CAS 1432040-88-4)
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Recommended Standards
- Methyl 2-amino-4-fluoro-5-methoxybenzoate (CAS 159768-51-1)
- 3-(5-Nitro-2-thiophene)acrylic Acid (CAS 17163-22-3)
- Methyl 5-amino-4-fluoro-2-methoxybenzoate (CAS 151793-18-9)
- 4-(4-Chlorophenyl)-4h,5h,6h,7h-thieno[3,2-c]pyridine (CAS 213462-12-5)
- 2-(2,5-Dioxohexahydroimidazo[4,5-d]imidazol-1(2H)-yl)propanoic acid (CAS 436811-13-1)
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-[2-(trifluoro-methyl)phenoxy]-2-pyrrolidinecarboxylic acid (CAS 1217786-49-6)
- Ethyl 2,3-dimethyl-5-(methylimino)-2,5-dihydroisoxazole-4-carboxylate (CAS 87529-27-9)
- Obeticholic Acid-d5 Sodium Salt (CAS CATO-C4X-115326)
- 2-(1-Methylhydrazinyl)-3-nitropyridine (CAS 30963-12-3)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
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