| CAS No. | 52881-24-0 |
| Molecular Formula | C13H12N2OS2 |
| Molecular Weight | 276.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3-Methyl-6,7,8,9-tetrahydro-5H-benzo[4,5]thieno[2,3-d]thiazolo[3,2-a]pyrimidin-5-one (CAS 52881-24-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H12N2OS2. Molecular weight: 276.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C13H12N2OS2 |
| Molecular Weight | 276.38 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |