4-(4-Ethylphenyl)-4-oxobutanoyl chloride CAS 1429309-47-6
| CAS No. | 1429309-47-6 |
| Molecular Formula | C12H13ClO2 |
| Molecular Weight | 224.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(4-Ethylphenyl)-4-oxobutanoyl chloride (CAS 1429309-47-6), molecular formula C12H13ClO2 and molecular weight 224.68 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(4-Ethylphenyl)-4-oxobutanoyl chloride (C12H13ClO2) 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 224.68 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 4-(4-Ethylphenyl)-4-oxobutanoyl 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 | C12H13ClO2 |
| Molecular Weight | 224.68 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1991 |
| Halogen Content | Cl-containing |
Related Ethylphenyl Standards
- 1-(4-ethylphenyl)-3-methylcyclohexan-1-ol (CAS 1248098-10-3)
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- 2-(4-ethylphenyl)[1,3]oxazolo[4,5-b]pyridine (CAS 111831-79-9)
- 3-(4-Ethylphenyl)-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 62052-07-7)
- 6-(4-Ethylphenyl)-4-oxo-1,4-dihydropyrimidine-5-carbonitrile (CAS 760966-51-6)
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Recommended Standards
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- 3-(3-Chlorobenzyl)cyclobutanecarboxylic acid (CAS 1399659-85-8)
- 1-(3-Chlorophenyl)cyclopentanecarboxylic Acid (CAS 143328-21-6)
- 8-(Tetrahydro-2h-pyran-4-yl)-8-azabicyclo[3.2.1]octan-3-amine (CAS 1247588-85-7)
- 6-Benzyl-2-thia-6-azaspiro[3.3]Heptane 2,2-dioxide (CAS 1936154-82-3)
- 3-(2,5,5-Trimethyl-1,3-dioxan-2-yl)thiophene-2-sulfonamide (CAS 138890-87-6)
- 2-(6-Bromo-5-(bromomethyl)-3-(difluoromethyl)pyridin-2-yl)acetonitrile (CAS 1805341-34-7)
- Ethyl 2,4-dichloro-3-(difluoromethoxy)phenylacetate (CAS 1807037-91-7)
- 9-hydroxy-2,3-dihydro[1,4]dioxino[2,3-g]quinoline-8-carboxylic acid (CAS 23796-64-7)
- Tert-butyl (3R,4S)-3-hydroxy-4-(hydroxymethyl)pyrrolidine-1-carboxylate (CAS 1428776-39-9)
- 2,2-dimethylcyclobutan-1-one (CAS 1192-14-9)
- 2-Chloro-N-(2-hydroxyethyl)-4-(1H-imidazol-1-yl)benzamide (CAS 952183-10-7)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
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