5-Chloro-7,8-dihydro-6H-cyclopenta[b][1,8]naphthyridine CAS 267220-21-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 267220-21-3 |
| Molecular Formula | C11H9ClN2 |
| Molecular Weight | 204.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-Chloro-7,8-dihydro-6H-cyclopenta[b][1,8]naphthyridine (CAS 267220-21-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C11H9ClN2. Molecular weight: 204.66 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C11H9ClN2 |
| Molecular Weight | 204.66 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 5-Chloro-3-phenyl-1-vinyl-1H-pyrazole (CAS 67000-41-3)
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- 5-benzyl-2-chloropyrimidine (CAS 859209-15-7)
- 2-Methyl-3-nonanone (CAS 5445-31-8)
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- Atogepant Impurity 38 (CAS CATO-C4X-328538)
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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