3-(4-Fluorophenyl)-5-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine CAS 439107-88-7
| CAS No. | 439107-88-7 |
| Molecular Formula | C14H9F4N3 |
| Molecular Weight | 295.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C14H9F4N3, 3-(4-Fluorophenyl)-5-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 295.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
3-(4-Fluorophenyl)-5-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (CAS 439107-88-7), molecular formula C14H9F4N3 and molecular weight 295.23 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-(4-Fluorophenyl)-5-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C14H9F4N3 |
| Molecular Weight | 295.23 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 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorophenyl Standards
- 5-(4-Fluorophenyl)-2-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (CAS 439097-10-6)
- Ethyl (4-fluorophenyl)(hydroxy(pyridin-3-yl)methyl)phosphinate (CAS 69112-28-3)
- 3-(4-Fluorophenyl)-2-[5-(1H-1,2,4-triazol-1-ylmethyl)-1H-1,2,4-triazol-3-yl]acrylonitrile (CAS 1164552-43-5)
- (4-Fluorophenyl)[6-(4-fluorophenyl)-3-pyridinyl]methanone (CAS 866135-75-3)
- 3-(5-{[(4-Fluorophenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)propanoic acid (CAS 1142202-61-6)
- 3-(5-{[(2-Fluorophenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)propanoic acid (CAS 1142202-72-9)
- Ethyl 5-((4-fluorophenyl)carbamoyl)-1,3,4-thiadiazole-2-carboxylate (CAS 1142210-68-1)
- 2-{[(4-fluorophenyl)amino]sulfonyl}benzoic acid (CAS 1350988-85-0)
Recommended Standards
- 1H-Indazol-3-amine, 5-[(3,5-difluorophenyl)difluoromethyl]- (CAS 1956318-62-9)
- 2,2,2-trifluoroethyl N-[2-(4-fluorophenoxy)ethyl]-N-methylcarbamate (CAS 1483729-97-0)
- 6-Nitro-1-diazo-2-naphthol-4-sulfonic acid (CAS 5366-84-7)
- 2-Fluoro-4-(3-(trifluoromethyl)-benzyloxy)benzonitrile (CAS 1240309-68-5)
- 4-Fluoro-5-(1-imidazolyl)-2-nitrobenzoic Acid (CAS 1141669-65-9)
- 3-Oxo-4,6-choladien-24-oic Acid (CAS 88179-71-9)
- {[(4-cyanophenyl)sulfonyl]amino}acetic acid (CAS 214841-99-3)
- 2-(4-Bromopyridin-3-yl)acetonitrile (CAS 1211539-87-5)
- Apalutamide Impurity 76 (CAS CATO-C4X-274976)
- (4-(4-Methyl-1,4-diazepan-1-yl)phenyl)methanamine (CAS 448934-01-8)
- Ledipasvir Impurity 46 (CAS CATO-C4X-331346)
- 3,5-Diethyl 1-[2-(3-methoxyphenyl)-2-oxoethyl]-1H-pyrazole-3,5-dicarboxylate (CAS 1316761-36-0)
- 1227635-07-5 4-(2-((2-Chloro-9-isopropyl-9H-purin-6-yl)amino)ethyl)phenol ST24042817 (CAS 1227635-07-5)
- Experimental Allergic Encephalitogenic Peptide (CAS 29705-92-8)
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