Methyl 5-(3,4-dichlorophenyl)-5-oxopentanoate CAS 1443311-62-3
| CAS No. | 1443311-62-3 |
| Molecular Formula | C12H12Cl2O3 |
| Molecular Weight | 275.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 5-(3,4-dichlorophenyl)-5-oxopentanoate (C12H12Cl2O3) 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 275.13 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).
Methyl 5-(3,4-dichlorophenyl)-5-oxopentanoate (CAS 1443311-62-3) is a high-purity analytical reference standard with the molecular formula C12H12Cl2O3 and a molecular weight of 275.13 g/mol.
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.
CATO manufactures Methyl 5-(3,4-dichlorophenyl)-5-oxopentanoate 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 | C12H12Cl2O3 |
| Molecular Weight | 275.13 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; 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.) | 1992 |
| Halogen Content | Cl-containing |
Related Methyl Standards
- Ethyl 4-(3,4-dichlorophenyl)-3-oxobutanoate (CAS 1048916-53-5)
- 4-(2,4-Dichlorophenyl)oxane-4-carboxylic acid (CAS 1152567-67-3)
- 2-(2,4-Dichlorophenyl)tetrahydro-2h-pyran-3-carboxylic acid (CAS 1379284-13-5)
- Methyl 5-(3,5-dichlorophenyl)-5-oxopentanoate (CAS 1443311-87-2)
- 2-(2,3-Dichlorophenyl)quinazoline (CAS 1451359-50-4)
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- Ethyl 4-(2,4-dichlorophenyl)-3-oxobutanoate (CAS 194240-93-2)
- 2-(2,5-Dichlorophenyl)quinazoline (CAS 1956376-55-8)
Recommended Standards
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- N-(4-ethylbenzyl)-2-(4-methoxyphenyl)ethan-1-amine (CAS 444907-15-7)
- 4-(2-Aminoethyl)-1-methylazepan-4-ol (CAS 1510670-08-2)
- Methyl 2-(6-chloro-5-methylpyridazin-3-yl)acetate (CAS 1408074-63-4)
- n,n,3,5-Tetramethyl-1h-pyrazole-4-sulfonamide (CAS 1025067-61-1)
- Polymyxin B nonapeptide (CAS 86408-36-8)
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