(1,3-Diphenyl-1H-pyrazol-4-yl)-acetic acid CAS 40278-34-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40278-34-0 |
| Molecular Formula | C17H14N2O2 |
| Molecular Weight | 278.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(1,3-Diphenyl-1H-pyrazol-4-yl)-acetic acid (CAS 40278-34-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H14N2O2. Molecular weight: 278.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1968 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2-(1H-Benzo[d]imidazol-2-yl)-N'-benzylideneacetohydrazide (CAS 19731-21-6)
- (2-Hydroxy-5-methylphenyl)(1-phenyl-1H-pyrazol-4-yl)methanone (CAS 68430-93-3)
- Acridino[2,1,9,8-klmna]acridine (CAS 191-27-5)
- 4-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)butanoic acid (CAS 669-72-7)
- 1-(2,5-Dichlorophenyl)-1H-pyrazole-4-carbaldehyde (CAS 98949-18-9)
- 4-(4-Fluoro-2-methylphenyl)pyrrolidin-2-one (CAS 1367168-49-7)
- Phentolamine-d4 HCl (Regitine-d4 HCl) (CAS 1346599-65-2)
- 2-(4-Chlorophenyl)thioacetamide (CAS 17518-48-8)
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