1-(3-Chloro-4-fluorophenyl)-3-(4-fluorophenyl)-1H-pyrazole-5-carboxylic acid CAS 618102-76-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 618102-76-4 |
| Molecular Formula | C16H9ClF2N2O2 |
| Molecular Weight | 334.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3-Chloro-4-fluorophenyl)-3-(4-fluorophenyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-76-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H9ClF2N2O2. Molecular weight: 334.70 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H9ClF2N2O2 |
| Molecular Weight | 334.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Afatinib Impurity 53 (CAS 1449430-45-8)
- 3-(4-Chlorophenyl)-1-(2,4-difluorophenyl)-1h-pyrazole-5-carboxylic acid (CAS 618102-59-3)
- Carpropamid (CAS 104030-54-8)
- 6-(Aminomethyl)-2-(difluoromethyl)-3-iodopyridin-4-amine (CAS 1804678-10-1)
- 3-Chloro-2-(2-(phenylsulfonyl)-1H-pyrrol-1-yl)-5-(trifluoromethyl)pyridine (CAS 338406-56-7)
- 1-(1,2,3,4-Tetrahydronaphthalen-1-yl)propan-2-one (CAS 59175-42-7)
- (2R,4S)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-(benzyloxy)pyrrolidine-2-carboxylic acid (CAS 839719-78-7)
- 2-((5-Methyl-4-phenyl-4h-1,2,4-triazol-3-yl)thio)acetic acid (CAS 200815-83-4)
- Triethylgallium (CAS 1115-99-7)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
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