Ethyl [(4-oxo-3,5-diphenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio]acetate CAS 312946-35-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 312946-35-3 |
| Molecular Formula | C22H18N2O3S2 |
| Molecular Weight | 422.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl [(4-oxo-3,5-diphenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio]acetate (CAS 312946-35-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H18N2O3S2. Molecular weight: 422.52 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H18N2O3S2 |
| Molecular Weight | 422.52 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Recommended Standards
- Cyclohexaneacetic acid, 4-[4-(4-amino-7,7-dimethyl-7H-pyrimido[4,5-b][1,4]oxazin-6-yl)phenyl]-, ethyl ester (CAS 701232-19-1)
- Ethyl 2-((2-(4-acetamidophenyl)-1-propyl-1H-indol-5-yl)oxy)-2-methylpropanoate (CAS 76460-54-3)
- 6-(4-Methylpiperazin-1-yl)-2'-(p-tolyl)-1H,3'H-2,5'-bibenzo[d]imidazole (CAS 23554-98-5)
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- Tetrapeptide-3 (CAS 827306-97-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com