| CAS No. | 866018-94-2 |
| Molecular Formula | C20H23N3O2 |
| Molecular Weight | 337.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-(2-Methoxyphenyl)-3,7,7-trimethyl-2H,4H,5H,6H,7H,8H,9H-pyrazolo[3,4-b]quinolin-5-one (CAS 866018-94-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H23N3O2. Molecular weight: 337.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C20H23N3O2 |
| Molecular Weight | 337.42 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |