(1-Methyl-1H-pyrazol-4-yl)methanesulfonyl chloride CAS 1247768-59-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1247768-59-7 |
| Molecular Formula | C5H7ClN2O2S |
| Molecular Weight | 194.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(1-Methyl-1H-pyrazol-4-yl)methanesulfonyl chloride (CAS 1247768-59-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H7ClN2O2S. Molecular weight: 194.64 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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