6,7-Dichloro-4-(4-chlorophenyl)-2-[4-(trifluoromethyl)phenyl]-1,2-dihydrophthalazin-1-one CAS 478066-04-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478066-04-5 |
| Molecular Formula | C21H10Cl3F3N2O |
| Molecular Weight | 469.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,7-Dichloro-4-(4-chlorophenyl)-2-[4-(trifluoromethyl)phenyl]-1,2-dihydrophthalazin-1-one (CAS 478066-04-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H10Cl3F3N2O. Molecular weight: 469.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H10Cl3F3N2O |
| Molecular Weight | 469.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichloro Standards
- 2-((2,5-Dichloro-N-(2-chlorophenyl)phenyl)sulfonamido)-N-phenylacetamide (CAS 337922-17-5)
- 7,9-Dichloro-5-(4-ethoxyphenyl)-2-(4-methoxyphenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303061-42-9)
- 1-(2,4-Dichloro-5-methoxyphenyl)-5-methyl-N-(4-phenoxyphenyl)-1H-1,2,4-triazole-3-carboxamide (CAS 339015-16-6)
- 4,5-Dichloro-6-iodo-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1346447-26-4)
- 6,7-Dichloro-4-(4-fluorophenyl)-2-(4-(trifluoromethoxy)phenyl)phthalazin-1(2H)-one (CAS 161716-26-3)
- 2,4-Dichloro-N-[4-(2,4-dichlorobenzoyloxy)-2-methylphenyl]benzamide (CAS 1363166-08-8)
- 1,3-Dichloro-9,9-dimethyl-7-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)acridin-2(9H)-one (CAS 503178-95-8)
- 7,9-Dichloro-2-(4-methoxyphenyl)-5-(3-nitrophenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303061-41-8)
Recommended Standards
- Ebastine (CAS 90729-43-4)
- MorDalphos (CAS 1237588-12-3)
- Terfenadine EP Impurity A (CAS 43076-30-8)
- N-Hydroxy-2-(5-methoxy-2-oxo-3,3-diphenylindolin-1-yl)acetamide (CAS 72935-75-2)
- 2-(Dihydroxymethyl)isonicotinaldehyde (CAS 31197-33-8)
- 4-(Piperidin-1-yl)butan-2-one hydrochloride (CAS 6631-71-6)
- 8-Bromo-3-methoxyquinolin-2(1H)-one (CAS 1434103-24-8)
- tert-butyl N-(6-bromopyrazolo[1,5-a]pyridin-3-yl)carbamate (CAS 2306273-07-2)
- 1,1’-Diethyl-[4,4’-bipyridine]-1,1’-Diium Iodide (CAS 1983-61-5)
- Tirzepatide Impurity 34 (CAS CATO-C4X-324034)
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