Methyl 5-(3,5-dichlorophenyl)-5-oxopentanoate CAS 1443311-87-2
| CAS No. | 1443311-87-2 |
| Molecular Formula | C12H12Cl2O3 |
| Molecular Weight | 275.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 5-(3,5-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 aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Methyl 5-(3,5-dichlorophenyl)-5-oxopentanoate (CAS 1443311-87-2), a certified reference material (molecular formula C12H12Cl2O3, MW 275.13 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
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-(3,4-dichlorophenyl)-5-oxopentanoate (CAS 1443311-62-3)
- 2-(2,3-Dichlorophenyl)quinazoline (CAS 1451359-50-4)
- 2-(2,6-Dichlorophenyl)quinazoline (CAS 1453168-98-3)
- 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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- Methyl 4'-(acetylamino)[1,1'-biphenyl]-3-carboxylate (CAS 893737-74-1)
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