2-(2-Chloro-5-methylphenoxy)-2-methylpropanoyl chloride CAS 1160257-72-6
| CAS No. | 1160257-72-6 |
| Molecular Formula | C11H12Cl2O2 |
| Molecular Weight | 247.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 247.12 g/mol gives 2-(2-Chloro-5-methylphenoxy)-2-methylpropanoyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-(2-Chloro-5-methylphenoxy)-2-methylpropanoyl chloride (CAS 1160257-72-6), a certified reference material (molecular formula C11H12Cl2O2, MW 247.12 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 2-(2-Chloro-5-methylphenoxy)-2-methylpropanoyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 247.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(2-Chloro-5-methylphenoxy)-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 | C11H12Cl2O2 |
| Molecular Weight | 247.12 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.) | 1989 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-(4-Chloro-3,5-dimethylphenoxy)propanoyl chloride (CAS 1160257-38-4)
- 2-(2-Chloro-5-methylphenoxy)butanoyl chloride (CAS 1160257-40-8)
- 2-(4-Chloro-3-methylphenoxy)-2-methylpropanoyl chloride (CAS 1160257-92-0)
- 6-Chloro-8-(2-chloroethyl)-3,4-dihydro-2h-1,5-benzodioxepine (CAS 1339128-13-0)
- 1-(3-Chloro-4-methylphenyl)-3-(2-chloroethyl)urea (CAS 937601-77-9)
- 2-(4-Chloro-3-methylphenoxy)butanoyl chloride (CAS 86464-91-7)
- 2-Chloro-n-[5-chloro-2-(dimethylamino)phenyl]acetamide (CAS 855715-43-4)
- 3-Chloro-N-(2-chloropyridin-3-yl)-2,2-dimethylpropanamide (CAS 339100-93-5)
Recommended Standards
- 2-Amino-N-(2,3-dichlorobenzyl)-N-methylacetamide (CAS 1179904-56-3)
- N-tert-butyl-2,6-dichloropyridine-4-carboxamide (CAS 1152504-12-5)
- 2-Amino-N-(2,4-dichlorobenzyl)-N-methylacetamide (CAS 1183165-67-4)
- 2-(3,6-Dichloropyridazin-4-yl)cyclohexanol (CAS 108288-12-6)
- 2-Chloro-1-[2,5-dimethyl-1-(prop-2-yn-1-yl)-1h-pyrrol-3-yl]ethan-1-one (CAS 1155980-26-9)
- n-Methoxy-n-methyl-4-(trifluoromethoxy)benzamide (CAS 897656-36-9)
- 1H-2-Phenyl-5-aminobenzimidazole (CAS 1767-25-5)
- Mometasone Furoate EP Impurity G (CAS 105102-22-5)
- 1-(4,6-Dimethylpyrimidin-2-yl)-6-(4-methoxyphenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 885457-06-7)
- 1-Bromo-2,3-dimethylnaphthalene (CAS 5334-79-2)
- Methyl 2-amino-4-bromo-3-fluoro-5-(trifluoromethoxy)benzoate (CAS 2803281-79-8)
- 5-(Benzyloxy)-3-methyl-1H-indole (CAS 21987-24-6)
- Methotrexate Diethyl Ester (CAS 43170-88-3)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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