| CAS No. | 329978-12-3 |
| Molecular Formula | C19H21N3O |
| Molecular Weight | 307.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3,7,7-Trimethyl-4-phenyl-2H,4H,5H,6H,7H,8H,9H-pyrazolo[3,4-b]quinolin-5-one (CAS 329978-12-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C19H21N3O. Molecular weight: 307.39 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
| Molecular Formula | C19H21N3O |
| Molecular Weight | 307.39 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |