4-Fluoro-1-(methylsulfonyl)-1H-pyrazole CAS 1935130-61-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1935130-61-2 |
| Molecular Formula | C4H5FN2O2S |
| Molecular Weight | 164.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Fluoro-1-(methylsulfonyl)-1H-pyrazole (CAS 1935130-61-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H5FN2O2S. Molecular weight: 164.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H5FN2O2S |
| Molecular Weight | 164.16 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.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 8-Methoxyimidazo[1,2-a]pyrazin-3-amine (CAS 1935022-87-9)
- 3,4-Dimethylisoxazolo[5,4-b]pyridin-6(7H)-one (CAS 19385-56-9)
- 5-Methoxyimidazo[1,2-a]pyrazin-3-amine (CAS 1934817-33-0)
- N-(4-fluorophenyl)-6,7-dimethoxyquinazolin-4-amine (CAS 296234-69-0)
- Ipolamiide (CAS 27934-98-1)
- Atrasentan Impurity 197 (CAS CATO-C4X-3347197)
- Ethyl isoxazole-4-carboxylate (CAS 80370-40-7)
- tert-Butyl 5-chloro-3-methyl-1H-indole-1-carboxylate (CAS 168143-72-4)
- Trans-4-(1-hydroxy-1-methyl-ethyl)cyclohexanecarboxylicacid (CAS 183996-92-1)
- Angiotensin III Antipeptide (CAS 133605-55-7)
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