2-Chloro-1-[3-(2-chloroacetyl)-2,4,6-trimethylphenyl]ethan-1-one CAS 156641-43-9
| CAS No. | 156641-43-9 |
| Molecular Formula | C13H14Cl2O2 |
| Molecular Weight | 273.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-1-[3-(2-chloroacetyl)-2,4,6-trimethylphenyl]ethan-1-one (CAS 156641-43-9) is a high-purity analytical reference standard with the molecular formula C13H14Cl2O2 and a molecular weight of 273.16 g/mol.
Structurally, 2-Chloro-1-[3-(2-chloroacetyl)-2,4,6-trimethylphenyl]ethan-1-one (C13H14Cl2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 273.16 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).
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-Chloro-1-[3-(2-chloroacetyl)-2,4,6-trimethylphenyl]ethan-1-one 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 | C13H14Cl2O2 |
| Molecular Weight | 273.16 g/mol |
| Appearance | Off-white to pale 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-Chloro-1-(4-(2-chlorophenyl)piperazin-1-yl)ethan-1-one (CAS 330601-49-5)
- 2-Chloro-1-(4-(4-chlorophenyl)piperazin-1-yl)ethan-1-one (CAS 60121-78-0)
- 2-Chloro-1-[4-(3-chlorophenyl)piperazin-1-yl]ethan-1-one (CAS 70395-06-1)
- 4-Chloro-2-(5-chlorothiophen-2-yl)-5-ethyl-6-methylpyrimidine (CAS 1174196-85-0)
- 4-Chloro-2-(chloromethyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine (CAS 88203-17-2)
- 3-Chloro-4-((5-chloropyrazin-2-yl)thio)pyridin-2-amine (CAS 2056004-13-6)
- 3-chloro-5-(2-chlorophenyl)isothiazole-4-carboxamide (CAS 680212-80-0)
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Recommended Standards
- 5-(((2,4-Dichlorobenzyl)amino)methyl)pyrrolidin-2-one (CAS 1457939-51-3)
- 1-(3,4-Dichlorophenyl)cyclohexane-1-carboxylic acid (CAS 162733-00-8)
- 2-Amino-N-cyclopropyl-N-(2,5-dichlorobenzyl)acetamide (CAS 1353966-69-4)
- 4-Hydroxy-6-(trifluoromethoxy)quinoline-3-carboxylic acid (CAS 175203-86-8)
- tert-Butyl (4-aminocyclohexyl)carbamate hydrochloride (CAS 1269484-61-8)
- 1-{4-[(1R)-1-azidoethyl]-2-fluorophenyl}-1H-pyrazole (CAS 1820572-01-7)
- 2-(4-(5-(Trifluoromethyl)-1,3,4-thiadiazol-2-yl)piperazin-1-yl)ethan-1-ol (CAS 1713589-54-8)
- 1-(2-Hydroxyethyl)piperidin-3-ol (CAS 3554-69-6)
- 3-(3,4-Difluorophenoxy)azetidine hydrochloride (CAS 1236862-32-0)
- 6-Methoxy-2-(methylthio)-N-(piperidin-3-ylmethyl)pyrimidin-4-amine hydrochloride (CAS 1353958-11-8)
- 1-acetylpyrrolidin-3-one (CAS 34086-58-3)
- 2,5-Dioxaspiro[3.5]Nonan-8-one (CAS 1935369-57-5)
- 3,3-Methylenebis[5-chlorosaligenin (CAS 40542-32-3)
- Peptide YY (13-36) (canine, mouse, porcine, rat) (CAS 86895-09-2)
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