4-Chloro-1,3-dimethyl-1h-pyrazole-5-sulfonyl chloride CAS 88398-87-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88398-87-2 |
| Molecular Formula | C5H6Cl2N2O2S |
| Molecular Weight | 229.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-1,3-dimethyl-1h-pyrazole-5-sulfonyl chloride (CAS 88398-87-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H6Cl2N2O2S. Molecular weight: 229.08 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H6Cl2N2O2S |
| Molecular Weight | 229.08 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 DMSO, DMF, methanol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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- 5-Chloro-1-ethyl-1h-pyrazole-4-sulfonyl chloride (CAS 1427022-70-5)
- (4-Chloro-1-methyl-1H-pyrazol-3-yl)methanesulfonyl chloride (CAS 2245066-84-4)
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Recommended Standards
- 4-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)-3-methyl-benzonitrile (CAS 2231089-47-5)
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- 2-(3-Fluorophenyl)-[1,2,4]triazolo[1,5-a]pyridin-7-amine (CAS 1380331-94-1)
- Ethyl 2-(4-oxo-4H-chromene-2-carboxamido)thiazole-4-carboxylate (CAS 361478-77-5)
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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
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com