| CAS No. | 865658-72-6 |
| Molecular Formula | C17H19N3OS |
| Molecular Weight | 313.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3,7,7-Trimethyl-4-(thiophen-2-yl)-2H,4H,5H,6H,7H,8H,9H-pyrazolo[3,4-b]quinolin-5-one (CAS 865658-72-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H19N3OS. Molecular weight: 313.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C17H19N3OS |
| Molecular Weight | 313.42 g/mol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |