3-(4-Chlorophenyl)-1,5,6,7-tetrahydro-2h-cyclopenta[4,5]thieno[2,3-d]pyrimidine-2,4(3h)-dione CAS 309273-77-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 309273-77-6 |
| Molecular Formula | C15H11ClN2O2S |
| Molecular Weight | 318.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chlorophenyl)-1,5,6,7-tetrahydro-2h-cyclopenta[4,5]thieno[2,3-d]pyrimidine-2,4(3h)-dione (CAS 309273-77-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H11ClN2O2S. Molecular weight: 318.78 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H11ClN2O2S |
| Molecular Weight | 318.78 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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- 5-[(3-Methoxyphenylamino)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 213699-52-6)
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- Candesartan Methyl Ester N1-Trityl Methoxy Analog (CAS 1246815-58-6)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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