2,4-Dichloro-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one CAS 1393572-20-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1393572-20-7 |
| Molecular Formula | C7H5Cl2N3O |
| Molecular Weight | 218.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2,4-Dichloro-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one (CAS 1393572-20-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5Cl2N3O. Molecular weight: 218.04 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5Cl2N3O |
| Molecular Weight | 218.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
- 1,2-dichloro-3-(2-nitroethenyl)benzene (CAS 104433-13-8)
- (E)-1,3-Dichloro-5-(2-nitrovinyl)benzene (CAS 120355-50-2)
- 6,7-Dichloro-3-hydroxy-2,3-dihydro-1h-indol-2-one (CAS 1247122-34-4)
- 4,6-Dichloro-3-hydroxyindolin-2-one (CAS 1251038-62-6)
- 1,2-Dichloro-3-[(E)-2-nitroethenyl]benzene (CAS 154455-57-9)
- 2,4-Dichloro-7-methyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one (CAS 1629411-93-3)
- 2,4-Dichloro-5-methyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one (CAS 1638767-98-2)
- 1,2-Dichloro-4-(2-nitrovinyl)benzene (CAS 18984-16-2)
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