1-(2-Fluorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid CAS 1264041-70-4
| CAS No. | 1264041-70-4 |
| Molecular Formula | C16H13FN2O2 |
| Molecular Weight | 284.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(2-Fluorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid.
1-(2-Fluorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264041-70-4), molecular formula C16H13FN2O2 and molecular weight 284.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H13FN2O2, 1-(2-Fluorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 284.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(2-Fluorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H13FN2O2 |
| Molecular Weight | 284.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluorophenyl Standards
- 1'-ethyl-1-(2-fluorophenyl)-1h,1'h-3,4'-bipyraZole-4-carbaldehyde (CAS 1006323-09-6)
- 1-(4-fluorophenyl)-1',3'-dimethyl-1h,1'h-3,4'-bipyraZole-4-carbaldehyde (CAS 1006334-20-8)
- 1-(2-fluorophenyl)-1',3'-dimethyl-1h,1'h-3,4'-bipyraZole-4-carbaldehyde (CAS 1006336-67-9)
- 1-(4-Fluorophenyl)-3-(4-methoxyphenyl)-1H-pyrazol-5-ol (CAS 1006583-02-3)
- Ethyl 6-(2-fluorophenyl)imidazo[1,2-a]pyridine-2-carboxylate (CAS 1170572-92-5)
- Ethyl 6-(4-fluorophenyl)pyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1207557-16-1)
- 4-(4-Fluorophenyl)-N-(furan-2-ylmethyl)-1H-pyrrole-2-carboxamide (CAS 1219841-84-5)
- 1-(4-Fluorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264042-71-8)
Recommended Standards
- 3-Cyano-4-fluoro-N-(1,2,4-thiadiazol-5-yl)benzenesulfonamide (CAS 1235406-40-2)
- 8-(Morpholinosulfonyl)-[1,2,4]triazolo[4,3-a]pyridin-3-ol (CAS 1291486-75-3)
- 2-((1,3-Dimethyl-2,6-dioxo-2,3,6,9-tetrahydro-1h-purin-8-yl)thio)acetohydrazide (CAS 130366-24-4)
- 2-Azido-1-(4-methoxy-3-sulfonamidophenyl)-1-propanone (CAS 1189968-86-2)
- 5-Fluoro-n-(piperidin-4-yl)pyrimidin-2-amine dihydrochloride (CAS 1774905-40-6)
- 1-(3-Chlorophenyl)-3-oxocyclohexanecarboxylic acid (CAS 1956376-54-7)
- 3-((1S,9aR)-Octahydro-1H-quinolizin-1-yl)propanoic acid (CAS 1178002-49-7)
- (E)-4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-3-Buten-2-ol Acetate (CAS 53319-91-8)
- 6-(Cyclohexyloxy)-2-methylpyrimidine-4-carboxylic acid (CAS 1713477-00-9)
- 1-Benzyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 3851-30-7)
- 4-[(2-methyl-5-nitrobenzenesulfonyl)oxy]benzoic acid (CAS 749216-12-4)
- 7-(Trifluoromethyl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-2-carboxylic acid (CAS 1246549-69-8)
- 1-(4-Chlorophenyl)-4-formyl-5-hydroxy-1H-pyrazole-3-carboxamide (CAS 61378-76-5)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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