4-Chloro-2-phenyl-5,7-dihydrothieno[3,4-d]pyrimidine CAS 5719-13-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5719-13-1 |
| Molecular Formula | C12H9ClN2S |
| Molecular Weight | 248.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-2-phenyl-5,7-dihydrothieno[3,4-d]pyrimidine (CAS 5719-13-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H9ClN2S. Molecular weight: 248.73 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H9ClN2S |
| Molecular Weight | 248.73 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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- 1-Chloro-3-propoxybenzene (CAS 51241-31-7)
- Ilaprazole Impurity 160 (CAS CATO-C4X-1130160)
- Ethyl 6-chloro-2H-chromene-3-carboxylate (CAS 66670-54-0)
- 2-[(2-Chlorophenyl)sulfanyl]-1-(morpholin-4-yl)ethan-1-one (CAS 339097-80-2)
- D-allo-Thr5-Semaglutide (CAS CATO-C4X-2226243)
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