2-[(4-Methylphenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one CAS 478042-19-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478042-19-2 |
| Molecular Formula | C20H18N2O |
| Molecular Weight | 302.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-[(4-Methylphenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one (CAS 478042-19-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H18N2O. Molecular weight: 302.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H18N2O |
| Molecular Weight | 302.37 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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