1-(4-Fluorophenyl)-5-methyl-1H-pyrazole-4-carbonyl chloride CAS 423768-49-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 423768-49-4 |
| Molecular Formula | C11H8ClFN2O |
| Molecular Weight | 238.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Fluorophenyl)-5-methyl-1H-pyrazole-4-carbonyl chloride (CAS 423768-49-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H8ClFN2O. Molecular weight: 238.65 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11H8ClFN2O |
| Molecular Weight | 238.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
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- N-(4-fluorophenyl)quinolin-4-amine (CAS 1111618-71-3)
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Recommended Standards
- Methyl 4-(chlorosulfonyl)-1-methyl-1H-pyrazole-5-carboxylate (CAS 1707586-97-7)
- 3-(1,3-Dioxolan-2-yl)furan-2-sulfonyl chloride (CAS 886851-63-4)
- 2-Chloro-4-(3-fluorophenoxy)-5-methylpyrimidine (CAS 1523058-97-0)
- Methyl 2-amino-3,5-dimethylbenzoate (CAS 206551-23-7)
- 2-[N-(2,4-Dichloro-5-methoxyphenyl)4-chlorobenzenesulfonamido]acetic acid (CAS 338961-39-0)
- 1-methyl-2,3-dihydro-1H-isoindole hydrochloride (CAS 1461706-27-3)
- Danazol Impurity 27 (CAS 162070-24-8)
- (R)-5-bromo-2-(5-chloroindolin-2-yl)-3-fluorophenol (CAS 2055024-06-9)
- 2-Bromo-4,5-dichloropyridine (CAS 1033203-42-7)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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