2,2-Dichloro-1-(4-chlorophenyl)ethanone 4711AE 5157-57-3 C8H5Cl3O CAS 5157-57-3
| CAS No. | 5157-57-3 |
| Molecular Formula | C8H5Cl3O |
| Molecular Weight | 223.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2,2-Dichloro-1-(4-chlorophenyl)ethanone 4711AE 5157-57-3 C8H5Cl3O (CAS 5157-57-3) is a high-purity analytical reference standard with the molecular formula C8H5Cl3O and a molecular weight of 223.48 g/mol.
Structurally, 2,2-Dichloro-1-(4-chlorophenyl)ethanone 4711AE 5157-57-3 C8H5Cl3O (C8H5Cl3O) contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 223.48 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 2,2-Dichloro-1-(4-chlorophenyl)ethanone 4711AE 5157-57-3 C8H5Cl3O 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 | C8H5Cl3O |
| Molecular Weight | 223.48 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- 5-Methoxy-2-(pentan-3-yl)pyridazin-3(2H)-one (CAS 2060019-87-4)
- Adenosine 3,5-cyclic monophosphothioate Sp-isomer sodium salt (CAS 71774-13-5)
- 4-Chloro-2-methyl-5-nitrobenzene-1-sulfonyl chloride (CAS 98273-22-4)
- 5-(3-Chlorophenyl)-4-(1H-1,2,4-triazol-1-yl)cyclohexane-1,3-dione (CAS 439110-59-5)
- 3-[3-(3-bromo-phenyl)-[1,2,4]oxadiazol-5-yl]-propionic acid (CAS 889946-81-0)
- Nafamostat Impurity 54 (CAS CATO-C4X-133254)
- (Ser(PO3H2)202,Thr(PO3H2)205)-Tau Peptide (194-213) trifluoroacetate salt (CAS 2022956-55-2)
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 18665070610 / Nicole.chen@cato-chem.com