| CAS No. | 477853-75-1 |
| Molecular Formula | C21H16ClNO3 |
| Molecular Weight | 365.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
16-(4-Chlorobenzoyl)-11,15-dioxa-16-azatetracyclo[8.7.0.0^{2,7}.0^{13,17}]heptadeca-1(10),2(7),3,5,8-pentaene (CAS 477853-75-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H16ClNO3. Molecular weight: 365.81 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C21H16ClNO3 |
| Molecular Weight | 365.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |