1,3-Dimethylpyrazole-4-sulfonyl Chloride CAS 89501-93-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89501-93-9 |
| Molecular Formula | C5H7ClN2O2S |
| Molecular Weight | 194.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,3-Dimethylpyrazole-4-sulfonyl Chloride (CAS 89501-93-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H7ClN2O2S. Molecular weight: 194.64 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H7ClN2O2S |
| Molecular Weight | 194.64 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 Dimethylpyrazole Standards
- Ethyl 4,5-Dimethylpyrazole-3-carboxylate (CAS 15803-27-7)
- ethyl 1,4-dimethylpyrazole-3-carboxylate (CAS 68809-65-4)
- Ethyl 3,5-Dimethylpyrazole-4-carboxylate (CAS 35691-93-1)
- 1,5-Dimethylpyrazole-4-boronic Acid Pinacol Ester (CAS 1036991-40-8)
- 1,3-Dimethylpyrazole-4-boronic Acid Pinacol Ester (CAS 1046832-21-6)
- 1,4-Dimethylpyrazole-5-boronic Acid Pinacol Ester (CAS 1047644-76-7)
- 1,3-Dimethylpyrazole-5-boronic Acid Pinacol Ester (CAS 847818-79-5)
- 2,4-dimethylpyrazole-3-carbonyl chloride (CAS 160886-90-8)
Recommended Standards
- 1,2-Dimethyl-1H-imidazole-5-sulfonyl chloride (CAS 849351-92-4)
- 1-Ethyl-1H-imidazole-2-sulfonyl chloride (CAS 89501-89-3)
- (S)-3-Cyanopyrrolidine-1-sulfonyl chloride (CAS 2301083-01-0)
- Diethyl 2-allyl-2-((tert-butoxycarbonyl)amino)malonate (CAS 135722-55-3)
- 6,8-Dibromo-2-(pyrazin-2-yl)quinoline (CAS 861210-51-7)
- 3-Amino-4-phenylisoxazol-5(4H)-one (CAS 2510-30-7)
- 3-Bromo-5-(3,5-dimethyl-1H-pyrazol-1-yl)-1-methyl-1H-1,2,4-triazole (CAS 1351393-85-5)
- 2-(5-Bromo-2,3-difluorophenyl)-1,3-dioxolane (CAS 2221812-19-5)
- N,N-Dimethyl-4-(5-methylbenzo[d]oxazol-2-yl)aniline (CAS 127753-24-6)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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