1,5,6,7-Tetrahydro-2H-cyclopenta[4,5]thieno[2,3-d]pyrimidine-2,4(3H)-dithione CAS 351005-64-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 351005-64-6 |
| Molecular Formula | C9H8N2S3 |
| Molecular Weight | 240.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,5,6,7-Tetrahydro-2H-cyclopenta[4,5]thieno[2,3-d]pyrimidine-2,4(3H)-dithione (CAS 351005-64-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H8N2S3. Molecular weight: 240.37 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H8N2S3 |
| Molecular Weight | 240.37 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
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Recommended Standards
- [5-Chloro-2-(trifluoromethoxy)phenyl]boronic acid (CAS 870822-78-9)
- 2-(Isopentylthio)-6-propylpyrimidin-4(1H)-one (CAS 62459-10-3)
- (3-Chloro-4-(trifluoromethoxy)phenyl)boronic acid (CAS 870822-79-0)
- 6-(2-phenylethyl)-1,2,3,3a,4,5,7,7a-octahydropyrrolo[2,3-c]pyridine (CAS 1221278-64-3)
- 2-(Pyridin-2-yl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine hydrochloride (CAS 1207175-11-8)
- 5-(2-Aminoethyl)-1,2,4-oxadiazol-3-amine hydrochloride (CAS 1354960-93-2)
- Ethyl 2-(methylthio)-4-((3-(trifluoromethyl)phenyl)thio)pyrimidine-5-carboxylate (CAS 339019-55-5)
- 2-(1,3-benzoxazol-2-yl)propan-1-amine dihydrochloride (CAS 2060037-06-9)
- Selexipag Impurity 26 (CAS CATO-C4X-196126)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
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