5-Amino-7-chloro-8-fluoro-2-(methylthio)pyrido[4,3-d]pyrimidin-4(3H)-one CAS 2763159-43-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2763159-43-7 |
| Molecular Formula | C8H6ClFN4OS |
| Molecular Weight | 260.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Amino-7-chloro-8-fluoro-2-(methylthio)pyrido[4,3-d]pyrimidin-4(3H)-one (CAS 2763159-43-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H6ClFN4OS. Molecular weight: 260.68 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H6ClFN4OS |
| Molecular Weight | 260.68 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Amino Standards
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Recommended Standards
- 6-(4-Chlorophenyl)-[1,2,4]triazolo[1,5-a]pyrimidine-2,7-diamine (CAS 303145-69-9)
- 5-(4-Chlorobenzyl)-2,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 402570-41-6)
- 6-(Chloromethyl)-1-phenyl-1h,4h,5h-pyrazolo[3,4-d]pyrimidin-4-one (CAS 871478-89-6)
- 2-Methyl-3-(1-tosylpyrrolidin-2-yl)pyridine (CAS 1352533-97-1)
- 3-Methylisoxazole-5-acetic Acid (CAS 19668-85-0)
- Diazoxide Impurity 1 Sodium Salt (CAS 84963-38-2)
- 2-((3-Nitrobenzyl)amino)propan-1-ol (CAS 1155570-65-2)
- 3,5-Dichloro-4-ethoxypyridazine (CAS 889768-55-2)
- Glycerol-d8 (CAS 7325-17-9)
- (Tyr9)-Cholecystokinin Octapeptide (sulfated) (H-9770.0005) (CAS 96607-61-3)
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