| CAS No. | 956755-40-1 |
| Molecular Formula | C24H21F3N6O3 |
| Molecular Weight | 498.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
18,19-Dimethoxy-6-[1-methyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]-4,5,9,13-tetraazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaen-12-one (CAS 956755-40-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C24H21F3N6O3. Molecular weight: 498.46 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
| Molecular Formula | C24H21F3N6O3 |
| Molecular Weight | 498.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 6 |