| CAS No. | 578749-34-5 |
| Molecular Formula | C20H19F2N3O2S2 |
| Molecular Weight | 435.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
N-(3,4-Difluorophenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 578749-34-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H19F2N3O2S2. Molecular weight: 435.51 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
| Molecular Formula | C20H19F2N3O2S2 |
| Molecular Weight | 435.51 g/mol |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |