1-Benzyl-5-phenyl-1H-pyrazole-3-carboxylic acid CAS 1020239-97-7
| CAS No. | 1020239-97-7 |
| Molecular Formula | C17H14N2O2 |
| Molecular Weight | 278.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Benzyl-5-phenyl-1H-pyrazole-3-carboxylic acid (C17H14N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-Benzyl-5-phenyl-1H-pyrazole-3-carboxylic acid (CAS 1020239-97-7) is a high-purity analytical reference standard with the molecular formula C17H14N2O2 and a molecular weight of 278.31 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1-Benzyl-5-phenyl-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 | C17H14N2O2 |
| Molecular Weight | 278.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 1-Methyl-3-(octahydropyrrolo[1,2-a]pyrazine-2-carbonyl)-1H-pyrazole-4-carboxylic acid (CAS 1006491-92-4)
- Lomifylline (CAS 10226-54-7)
- Musk moskene (CAS 116-66-5)
- 2-(2-(5-Phenyl-1H-pyrazol-3-yl)phenyl)acetic acid (CAS 104907-27-9)
- N-(4-chloro-1,1-dioxidotetrahydrothiophen-3-yl)propionamide (CAS 919723-49-2)
- 4-(But-3-en-1-yl)-N,N-dimethylaniline (CAS 344408-47-5)
- 2-((5-Bromopyrimidin-2-yl)oxy)acetic acid (CAS 270912-79-3)
- Pyridin-4-ylmethanesulfonyl chloride trifluoromethanesulfonate (CAS 130820-89-2)
- 1-(2-Bromo-1,1,2,2-tetrafluoroethyl)-3,5-dimethyl-1H-pyrazole (CAS 1125518-67-3)
- 2,6-Dichloropyridine-3,5-dicarbaldehyde (CAS 81319-42-8)
- 1-(3-Fluoro-2-nitrophenyl)piperidine-4-carboxylic acid (CAS 1179098-08-8)
- (2-Chloropyridin-3-yl)(pyrrolidin-1-yl)methanone (CAS 60597-68-4)
- N-(2-ethoxybenzyl)-1-(4-methoxyphenyl)methanamine (CAS 510723-63-4)
- Allo-Thr7-Tirzepatide (CAS CATO-CPTD788933)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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