2-((3,5-Dimethylisoxazole)-4-sulfonamido)benzoic acid CAS 1042769-63-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1042769-63-0 |
| Molecular Formula | C12H12N2O5S |
| Molecular Weight | 296.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((3,5-Dimethylisoxazole)-4-sulfonamido)benzoic acid (CAS 1042769-63-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H12N2O5S. Molecular weight: 296.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O5S |
| Molecular Weight | 296.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(3-Fluoro-4-methoxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 1020703-69-8)
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- 1-(4-Fluorobenzyl)-5-phenyl-1H-pyrazole-3-carboxylic Acid (CAS 1020240-00-9)
- 6-Bromo-4-(chloromethyl)-5-(difluoromethyl)pyridin-3-ol (CAS 1806856-08-5)
- Ivabradine - API Standards (CAS 155974-00-8)
- 1,5,6,7-Tetrahydro-2-methyl-4H-indol-4-one (CAS 35308-68-0)
- Trifarotene impurity 26 (CAS CATO-C4X-313226)
- 4-Bromo-3-(difluoromethyl)-5-(trifluoromethyl)pyridin-2-ol (CAS 1804886-37-0)
- 6-Benzyl-1,6-diazaspiro[3.3]heptane (CAS 1514564-22-7)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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