4-(3,5-Difluorophenyl)-3-(methylsulfonyl)-1H-pyrazole CAS 1708037-20-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1708037-20-0 |
| Molecular Formula | C10H8F2N2O2S |
| Molecular Weight | 258.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3,5-Difluorophenyl)-3-(methylsulfonyl)-1H-pyrazole (CAS 1708037-20-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H8F2N2O2S. Molecular weight: 258.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H8F2N2O2S |
| Molecular Weight | 258.24 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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- 2-(2,4-Difluorophenyl)-1,2-dihydrophthalazin-1-one (CAS 380183-86-8)
- 4-(2,5-Difluorophenyl)phthalazin-1(2h)-one (CAS 848068-68-8)
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Recommended Standards
- 1-(5-Ethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)-1H-imidazole-4-carboxylic acid (CAS 1707373-00-9)
- 3,3,3-Trifluoro-2-(5-methoxy-1H-indol-3-yl)propan-1-amine (CAS 1708178-70-4)
- 2-Methyl-1-(6-(trifluoromethyl)-3H-imidazo[4,5-b]pyridin-2-yl)propan-1-amine (CAS 1707371-85-4)
- 1-(4-Fluoro-3-methylphenyl)-2-methylpropan-2-ol (CAS 868700-77-0)
- N-(4-Hydroxy-3-(methylthio)phenyl)methanesulfonamide (CAS 1243474-49-8)
- Methyl 5-bromo-3-ethoxy-2-fluorobenzoate (CAS 1801516-12-0)
- 3-(2-Fluorophenyl)-1H-pyrazole-5-carboxylic acid (CAS 859155-87-6)
- 3'-(Aminomethyl)-[1,1'-biphenyl]-4-carbaldehyde (CAS 197720-52-8)
- 11-Oxo-betamethasone Dipropionate (CAS 64967-90-4)
- Peptide 434 (CAS CATO-CPTD788434)
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