Ethyl 3-(2,5-difluorophenyl)propanoate CAS 959232-75-8
| CAS No. | 959232-75-8 |
| Molecular Formula | C11H12F2O2 |
| Molecular Weight | 214.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 3-(2,5-difluorophenyl)propanoate.
Ethyl 3-(2,5-difluorophenyl)propanoate (CAS 959232-75-8) is a high-purity analytical reference standard with the molecular formula C11H12F2O2 and a molecular weight of 214.21 g/mol.
Structurally, Ethyl 3-(2,5-difluorophenyl)propanoate (C11H12F2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 214.21 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), Ethyl 3-(2,5-difluorophenyl)propanoate 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 | C11H12F2O2 |
| Molecular Weight | 214.21 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.) | 1987 |
| Halogen Content | F-containing |
Related Ethyl Standards
- 2-(3,4-Difluorophenyl)-2-(ethylamino)acetamide (CAS 1214806-81-1)
- 2-(2,4-Difluorophenyl)-3-methylbutanoic acid (CAS 1339215-16-5)
- 2-(2,5-Difluorophenyl)-3-methylbutanoic acid (CAS 1339754-82-3)
- 2-(2,3-Difluorophenyl)-3-methylbutanoic acid (CAS 1342082-49-8)
- 3-(2,3-Difluorophenyl)-2,2-dimethylpropanoic acid (CAS 1343431-02-6)
- 3-(2,5-Difluorophenyl)-3-methylbutanoic acid (CAS 1368551-86-3)
- 3-(2,4-Difluorophenyl)-3-methylbutanoic acid (CAS 1368736-46-2)
- 4-(3,5-Difluorophenyl)tetrahydro-2H-pyran-4-ol (CAS 139503-12-1)
Recommended Standards
- Ethyl 2,2-difluoro-2-(m-tolyl)acetate (CAS 698379-26-9)
- Ethyl 3-(3,4-difluorophenyl)propanoate (CAS 803687-25-4)
- Ethyl 2,2-difluoro-(2-methylphenyl)acetate (CAS 698378-71-1)
- Ethyl 3,3-difluoro-3-phenylpropanoate (CAS 70260-26-3)
- 3-(2-Methyl-1,3-dithiolan-2-yl)propanoic acid (CAS 54717-84-9)
- 2-(Trifluoromethyl)-3H-imidazo[4,5-c]pyridine (CAS 19918-36-6)
- 3-(3-Bromophenyl)thiophene (CAS 20608-84-8)
- 5-(3-Fluorophenyl)isoxazol-3-ol (CAS 203718-13-2)
- 4-Chloro-6-(4-chlorophenyl)pyrimidine (CAS 897445-45-3)
- 4-Methoxy-N-(2-(phenylthio)ethyl)benzamide (CAS 339100-15-1)
- 2-Fluoro-4-methoxybenzamide (CAS 874804-31-6)
- N-(tert-butoxycarbonyl)-N-ethyl-L-phenylalanine (CAS 70961-24-9)
- 2-((1H-benzo[d]imidazol-2-yl)methoxy)ethan-1-amine dihydrochloride (CAS 1177304-31-2)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
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