4-(2-Nitrobenzyl)-1,3-diphenyl-1H-pyrazol-5(4H)-one CAS 58532-80-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 58532-80-2 |
| Molecular Formula | C22H17N3O3 |
| Molecular Weight | 371.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Nitrobenzyl)-1,3-diphenyl-1H-pyrazol-5(4H)-one (CAS 58532-80-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H17N3O3. Molecular weight: 371.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H17N3O3 |
| Molecular Weight | 371.39 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 3-(Methylthio)isothiazol-5-amine (CAS 67209-07-8)
- 4-Propionyl-N-((tetrahydrofuran-2-yl)methyl)-1H-pyrrole-2-carboxamide (CAS 478259-49-3)
- 2-(1-Chloro-2-methylpropan-2-yl)-4-fluoro-1-methoxybenzene (CAS 851314-92-6)
- 4-(1-Ethyl-1h-1,2,4-triazol-5-yl)butanal (CAS 1478199-13-1)
- 5-[(1-Oxopentyl)amino]-3-pyridinecarboxylic acid (CAS 1339487-32-9)
- Boc-Cholecystokinin Octapeptide (desulfated) (A-1295.0001) (CAS 25687-34-7)
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