1-(4-Fluorophenyl)-3-(3-methylphenyl)-1h-pyrazole-4-carboxylic acid CAS 956181-48-9
| CAS No. | 956181-48-9 |
| Molecular Formula | C17H13FN2O2 |
| Molecular Weight | 296.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 296.30 g/mol gives 1-(4-Fluorophenyl)-3-(3-methylphenyl)-1h-pyrazole-4-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-(4-Fluorophenyl)-3-(3-methylphenyl)-1h-pyrazole-4-carboxylic acid (CAS 956181-48-9), a certified reference material (molecular formula C17H13FN2O2, MW 296.30 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H13FN2O2, 1-(4-Fluorophenyl)-3-(3-methylphenyl)-1h-pyrazole-4-carboxylic acid contains a steroid core, 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 296.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(4-Fluorophenyl)-3-(3-methylphenyl)-1h-pyrazole-4-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 | C17H13FN2O2 |
| Molecular Weight | 296.30 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluorophenyl Standards
- 1-Benzyl-4-(3-fluorophenyl)-1,4-dihydropyrazine-2,3-dione (CAS 1226457-93-7)
- (4-Fluorophenyl)(2-(4-methoxyphenyl)-1H-imidazol-4-yl)methanone (CAS 1253697-49-2)
- Ethyl 4-(4-fluorophenyl)-1,7-naphthyridine-2-carboxylate (CAS 1956307-15-5)
- 1-(2-Fluorophenyl)-3-(4-methoxyphenyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-72-9)
- 1-(2-Fluorophenyl)-3-(p-tolyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-27-5)
- 1-(4-Fluorophenyl)-3-(3-methoxyphenyl)-1h-pyrazole-4-carbaldehyde (CAS 956984-87-5)
- 1-(4-Fluorophenyl)-3-(4-methoxyphenyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-60-5)
- 1-(4-Fluorophenyl)-3-(4-methylphenyl)-1h-pyrazole-4-carboxylic acid (CAS 956779-12-7)
Recommended Standards
- 1-(4-Fluorophenyl)-3-(p-tolyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-14-0)
- 1-(2-Fluorobenzyl)-4-phenyl-1,4-dihydropyrazine-2,3-dione (CAS 904525-50-4)
- 1-(Mesitylsulfonyl)-3-nitro-1H-1,2,4-triazole (CAS 74257-00-4)
- [(1-Phenyl-1H-tetrazol-5-yl)sulfonyl]acetic Acid Ethyl Ester (CAS 852657-49-9)
- (9H-Fluorene-9,9-diyl)bis(methylene)diacrylate (CAS 583036-99-1)
- 1-((2-Methylthiazol-4-yl)methyl)piperidin-4-ol (CAS 1247446-43-0)
- 4-Fluoro-3-(4-nitrophenyl)toluene (CAS 1373232-66-6)
- 2,2'-(Piperidine-2,6-diyl)bis(1-phenylethan-1-one) (CAS 864969-17-5)
- 5-Isocyanatopyridine-2-carbonitrile (CAS 125117-98-8)
- Benzyl (2-oxocyclopentyl)carbamate (CAS 1391090-10-0)
- 2-Bromophenyl Acetate (CAS 1829-37-4)
- 2-Chloro-n-cyclopropyl-n-[(2-fluorophenyl)methyl]acetamide (CAS 874595-08-1)
- 2-(3-(3-(2-Methoxyethyl)-1,2,4-oxadiazol-5-yl)propyl)isoindoline-1,3-dione (CAS 2034316-89-5)
- Peptide 434 (CAS CATO-CPTD788434)
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