(4-chlorophenyl)(2,4-dichlorophenyl)methanone CAS 33146-57-5
| CAS No. | 33146-57-5 |
| Molecular Formula | C13H7Cl3O |
| Molecular Weight | 285.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 285.55 g/mol gives (4-chlorophenyl)(2,4-dichlorophenyl)methanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (4-chlorophenyl)(2,4-dichlorophenyl)methanone (CAS 33146-57-5), a certified reference material (molecular formula C13H7Cl3O, MW 285.55 g/mol) for analytical method development and quality control.
Owing to a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, (4-chlorophenyl)(2,4-dichlorophenyl)methanone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 285.55 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (4-chlorophenyl)(2,4-dichlorophenyl)methanone under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H7Cl3O |
| Molecular Weight | 285.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
Related chlorophenyl Standards
- (4-Chlorophenyl)(3,5-dichlorophenyl)methanone (CAS 13395-65-8)
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- (4-Chlorophenyl)(3,4-dichlorophenyl)methanone (CAS 33093-42-4)
- 2,2-Bis(4-chlorophenyl)-1-chloroethane (CAS 2642-80-0)
- 2-(1-(3-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazol-4-yl)acetonitrile (CAS 1280520-89-9)
- (4-Chlorophenyl)[4-(trifluoromethyl)phenyl]methanamine (CAS 1019353-55-9)
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Recommended Standards
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- Ibuprofen EP Impurity I (CAS 2143535-26-4)
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Why CATO?
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