Ethyl 5-methylbenzo[d]isothiazole-3-carboxylate 1,1-dioxide CAS 1418632-92-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1418632-92-4 |
| Molecular Formula | C11H11NO4S |
| Molecular Weight | 253.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-methylbenzo[d]isothiazole-3-carboxylate 1,1-dioxide (CAS 1418632-92-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H11NO4S. Molecular weight: 253.27 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H11NO4S |
| Molecular Weight | 253.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(4-(N,N-Dimethylsulfamoyl)phenyl)propiolic acid (CAS 1403566-01-7)
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- (R)-2-(Methylthio)propanoic acid (CAS 33178-97-1)
- 3-Isopentyl-1H-pyrazol-4-ol (CAS 856058-38-3)
- Benzyl octahydro-1H-indole-2-carboxylate (CAS 82717-90-6)
- H-D-Phe-D-Phe-D-Phe-D-Leu-D-Lys-γ-Pip-OH (CAS CATO-CPTD788714)
- 5-Chloro-3-(2-methoxyethoxy)benzofuran-2-carboxylic acid (CAS 1779122-39-2)
- 4-Methylquinolin-8-yl benzoate (CAS 1464-19-3)
- D-allo-Thr5-Semaglutide (CAS CATO-C4X-2226243)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com