1,4,5-Triphenyl-1H-pyrazol-3(2H)-one CAS 5022-92-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5022-92-4 |
| Molecular Formula | C21H16N2O |
| Molecular Weight | 312.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,4,5-Triphenyl-1H-pyrazol-3(2H)-one (CAS 5022-92-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H16N2O. Molecular weight: 312.36 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H16N2O |
| Molecular Weight | 312.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Triphenyl Standards
- 1,2,5-Triphenyl-1H-phosphole (CAS 1162-70-5)
- 2-Methyl-2,4,5-triphenyl-2H-imidazole (CAS 87880-13-5)
- 3,5,6-Triphenyl-1,4-dihydropyridazine (CAS 87439-77-8)
- 1,2,4-Triphenyl-1,4-butanedione (CAS 4441-01-4)
- Triphenyl phosphite (CAS 101-02-0)
- 3274-60-0 2-Methyl-3,4,5-triphenyl-1H-pyrrole DTXSID80501666 (CAS 3274-60-0)
- 3,5,6-Triphenyl-1,2,4-triazine (CAS 24108-44-9)
- 2,4,6-Triphenyl-1,3,5-triazine (CAS 493-77-6)
Recommended Standards
- 1,3-Di(naphthalen-1-yl)urea (CAS 607-56-7)
- 1-[1-(tert-Butoxycarbonyl)-4-piperidinyl]-5-oxo-3-pyrrolidinecarboxylic acid (CAS 937601-51-9)
- 1,3-Bis(2-hydroxy-5-methylphenyl)tetrahydropyrimidin-2(1H)-one (CAS 84379-39-5)
- 2-methyl-5-[(5-methylfuran-2-yl)carbonyl]furan (CAS 21432-51-9)
- 1-Bromo-3-(4-bromobutyl)benzene (CAS 109757-62-2)
- Ethyl 4-[2-(4-Chlorophenyl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]piperazine-1-carboxylate (CAS 931728-33-5)
- 1-((2,2-Difluorocyclopropyl)methyl)piperazine (CAS 1393555-26-4)
- Methyl 4-(7-hydroxyheptyl)benzoate (CAS 1956382-33-4)
- 2-(3,4,5-Trimethoxyphenyl)propan-2-amine (CAS 1176702-49-0)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com