1-Ethyl-1H-pyrazole-3-sulfonamide CAS 1699630-58-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1699630-58-4 |
| Molecular Formula | C5H9N3O2S |
| Molecular Weight | 175.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Ethyl-1H-pyrazole-3-sulfonamide (CAS 1699630-58-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H9N3O2S. Molecular weight: 175.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H9N3O2S |
| Molecular Weight | 175.21 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.) | 1994 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Why CATO?
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