2-[(2-Chlorophenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one CAS 478042-21-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478042-21-6 |
| Molecular Formula | C19H15ClN2O |
| Molecular Weight | 322.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-[(2-Chlorophenyl)methyl]-2H,3H,5H,6H-benzo[h]cinnolin-3-one (CAS 478042-21-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H15ClN2O. Molecular weight: 322.79 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H15ClN2O |
| Molecular Weight | 322.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
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- 4-(4-Chlorophenyl)-2-[(E)-2-(dimethylamino)ethenyl]-6-methylpyridine-3,5-dicarbonitrile (CAS 337924-09-1)
- N-(3-Chlorophenyl)-5-piperidin-4-yl-1,3,4-thiadiazole-2-carboxamide (CAS 1217862-31-1)
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Recommended Standards
- 2-(4-Chlorobenzyl)-5,6-dihydrobenzo[h]cinnolin-3(2H)-one (CAS 478042-18-1)
- 2-Butyl-4-chloro-5-((4-methoxybenzyl)oxy)pyridazin-3(2H)-one (CAS 88094-28-4)
- 2-(4-(5-Chloro-2-methylphenyl)piperazine-1-carbonyl)cyclopropane-1-carboxylic acid (CAS 913517-30-3)
- Carbidopa Hydantoic Acid (CAS 28861-00-9)
- 1-(2-Chloro-4-nitrophenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264049-02-6)
- 6-Methyl-2,3-dihydrophthalazine-1,4-dione (CAS 20116-66-9)
- 7-Chloro-3-methoxyquinoline (CAS 1965260-57-4)
- 5-[(4-methoxyphenyl)methoxy]-2-nitro-aniline (CAS 1970100-27-6)
- Zorubicin hydrochloride (CAS 36508-71-1)
- Peptide-GMF (CAS CATO-CPTD788469)
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