2-(2,4-Dichlorophenoxy)-2-methylpropanoyl chloride CAS 41711-48-2
| CAS No. | 41711-48-2 |
| Molecular Formula | C10H9Cl3O2 |
| Molecular Weight | 267.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2,4-Dichlorophenoxy)-2-methylpropanoyl chloride (CAS 41711-48-2), molecular formula C10H9Cl3O2 and molecular weight 267.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H9Cl3O2, 2-(2,4-Dichlorophenoxy)-2-methylpropanoyl chloride contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 267.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
As a certified reference material (CRM), 2-(2,4-Dichlorophenoxy)-2-methylpropanoyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H9Cl3O2 |
| Molecular Weight | 267.54 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
Related Dichlorophenoxy Standards
- 2-(2,5-Dichlorophenoxy)butanoyl chloride (CAS 1160257-54-4)
- 2-(2,5-Dichlorophenoxy)-2-methylpropanoyl chloride (CAS 1160257-84-0)
- 2-(2,4-Dichlorophenoxy)butanoyl chloride (CAS 854874-29-6)
- 2-(2,4-Dichlorophenoxy)benzaldehyde (CAS 86309-06-0)
- 2-(3,4-Dichlorophenoxy)benzaldehyde (CAS 289717-77-7)
- 3-(3,4-Dichlorophenoxy)benzaldehyde (CAS 79124-76-8)
- 3-(3,5-Dichlorophenoxy)benzaldehyde (CAS 81028-92-4)
- 4-(2,4-Dichlorophenoxy)benzaldehyde (CAS 78725-51-6)
Recommended Standards
- 1-(2-Chloroethyl)-3-(3,4-dichlorophenyl)urea (CAS 15145-37-6)
- Chlorfenac Ethyl Ester (CAS 1359827-62-5)
- 2,2,2-Trichloro-1-phenylethyl acetate (CAS 90-17-5)
- 4,4,4-Trichloro-3-hydroxy-1-phenylbutan-1-one (CAS 13505-41-4)
- 2-methoxy-3-methylbutan-1-ol (CAS 854463-80-2)
- n-(4-Chlorophenyl)-4-methyl-4,5-dihydro-1,3-thiazol-2-amine (CAS 379728-04-8)
- benzyl 3,5-diallyl-4-oxopiperidine-1-carboxylate (CAS CATO-C3D-262418)
- 2-Amino-6-chloro-1,3-benzoxazole-5-carboxylic acid (CAS 1820684-94-3)
- 4-Fluoro-2-(trifluoromethoxy)benzoic acid (CAS 1242250-37-8)
- Methyl 2-(4-chlorobenzamido)-4-methyl-5-(p-tolylcarbamoyl)thiophene-3-carboxylate (CAS 351352-57-3)
- 6-Chloro-N,2-dimethylpyrimidin-4-amine (CAS 5621-01-2)
- Benzylpenicillin CP Impurity H (CAS 500-98-1)
- (2E)-1-(4-Ethoxyphenyl)-3-[4-(propan-2-yl)phenyl]prop-2-en-1-one (CAS 356792-49-9)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
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