1-Methyl-1H-pyrazole-4-sulfonamide CAS 88398-68-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88398-68-9 |
| Molecular Formula | C4H7N3O2S |
| Molecular Weight | 161.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methyl-1H-pyrazole-4-sulfonamide (CAS 88398-68-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H7N3O2S. Molecular weight: 161.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H7N3O2S |
| Molecular Weight | 161.18 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
- 1-Methyl-1H-imidazole-5-sulfonamide (CAS 2110266-53-8)
- 1-Methyl-1H-pyrrole-3-sulfonic acid (CAS 728861-46-9)
- 1-Amino-4-fluoronaphthalene (CAS 438-32-4)
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- (3-Amino-4-methoxyphenyl)(azepan-1-yl)methanone (CAS 926213-56-1)
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- 2-(1-(((Benzyloxy)carbonyl)amino)cyclohexyl)acetic acid (CAS 303037-19-6)
- Ammonium fluoride (CAS 12125-01-8)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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