3-Ethyl-5,6-dimethyl-2-((4-methylbenzyl)thio)thieno[2,3-d]pyrimidin-4(3H)-one CAS 573670-03-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 573670-03-8 |
| Molecular Formula | C18H20N2OS2 |
| Molecular Weight | 344.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethyl-5,6-dimethyl-2-((4-methylbenzyl)thio)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 573670-03-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H20N2OS2. Molecular weight: 344.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H20N2OS2 |
| Molecular Weight | 344.49 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.) | 1984 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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- Semaglutide impurity 71 (CAS CATO-C4X-222671)
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