4-((1,3-Diphenyl-1H-pyrazol-4-yl)methylene)-5-methyl-2,4-dihydro-3H-pyrazol-3-one CAS 370096-57-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 370096-57-4 |
| Molecular Formula | C20H16N4O |
| Molecular Weight | 328.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((1,3-Diphenyl-1H-pyrazol-4-yl)methylene)-5-methyl-2,4-dihydro-3H-pyrazol-3-one (CAS 370096-57-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H16N4O. Molecular weight: 328.37 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H16N4O |
| Molecular Weight | 328.37 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.) | 2025 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 3-[1-(4-Methylphenyl)-1H-pyrazol-3-yl]-1-phenyl-1,4-dihydropyridazin-4-one (CAS 318497-95-9)
- 4-(4-(3,4-Dimethoxybenzyl)-5-methyl-4H-1,2,4-triazol-3-yl)-1-methyl-1H-pyrazol-5-amine (CAS 956371-02-1)
- 2-((S)-1-((S)-2-Amino-5-guanidinopentanoyl)pyrrolidine-2-carboxamido)acetic acid (CAS 96817-14-0)
- 4-Bromo-1-fluoro-2-(perfluoroethyl)benzene (CAS 1447671-80-8)
- Niobium(V) iodide (CAS 13779-92-5)
- Cadisegliatin (CAS 859525-02-3)
- (2E)-3-[4-(Benzyloxy)phenyl]-1-{[1,1'-biphenyl]-4-yl}prop-2-en-1-one (CAS 805271-97-0)
- Diethyl thiophen-2-ylphosphonate (CAS 13640-95-4)
- 2-(2,5-Diazabicyclo[2.2.2]octan-2-yl)-2-methylpropan-1-ol (CAS 1403767-01-0)
- Insulin Degludec Impurity 20 (CAS CATO-C4X-215720)
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