Ethyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate CAS 88398-82-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88398-82-7 |
| Molecular Formula | C7H9ClN2O4S |
| Molecular Weight | 252.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate (CAS 88398-82-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H9ClN2O4S. Molecular weight: 252.68 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H9ClN2O4S |
| Molecular Weight | 252.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
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Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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