2-(4-Chlorophenyl)-2-cyclopentylacetic acid CAS 77585-53-6
| CAS No. | 77585-53-6 |
| Molecular Formula | C13H15ClO2 |
| Molecular Weight | 238.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H15ClO2, 2-(4-Chlorophenyl)-2-cyclopentylacetic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-(4-Chlorophenyl)-2-cyclopentylacetic acid (CAS 77585-53-6) is a high-purity analytical reference standard with the molecular formula C13H15ClO2 and a molecular weight of 238.71 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.
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 | C13H15ClO2 |
| Molecular Weight | 238.71 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.) | 1979 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- 2-(2-Chlorophenyl)-2-(pyrrolidin-1-yl)acetamide (CAS 1000340-02-2)
- 2-Chlorophenyl cyclohexanecarboxylate (CAS 101068-39-7)
- 2-(3-Chlorophenyl)-1-(piperazin-1-yl)ethan-1-one (CAS 1225823-53-9)
- 1-[(3-chlorophenyl)methyl]cyclopentane-1-carboxylic acid (CAS 1226034-44-1)
- 1-[4-(3-Chlorophenyl)-1-piperazinyl]ethanone (CAS 141511-13-9)
- 1-[4-(4-chlorophenyl)piperazin-1-yl]ethan-1-one (CAS 150557-99-6)
- 1-(2-Chlorophenyl)naphthalene (CAS 18937-91-2)
- 1-(2-Chlorophenyl)-2-(piperazin-1-yl)ethan-1-one (CAS 926270-17-9)
Recommended Standards
- 2-(4-Chlorophenyl)-1-(piperazin-1-yl)ethan-1-one (CAS 926187-94-2)
- 2-(4-Chlorophenyl)naphthalene (CAS 22082-98-0)
- 2-(2-Chlorophenyl)-1-(piperazin-1-yl)ethan-1-one (CAS 926210-32-4)
- 2-Chloro-3-(4-methylpiperidine-1-carbonyl)pyridine (CAS 353258-80-7)
- Tin(II) stearate (CAS 6994-59-8)
- Dieldrin chlorohydrin (CAS 62059-42-1)
- MEthyl (2s)-2-amino-3-(furan-2-yl)propanoate (CAS 146725-85-1)
- 4-((2-Hydroxyethyl)thio)benzonitrile (CAS 30609-80-4)
- (2R,3R,4R,5R)-2-(4-((Butoxycarbonyl)amino)-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyltetrahydrofuran-3,4-diyl diacetate (CAS 162204-19-5)
- 2-Chloro-6-fluoro-4-methylbenzothiazole (CAS 1188226-42-7)
- 4-Amino-6-(difluoromethyl)-5-methoxynicotinoyl chloride (CAS 1804679-00-2)
- 4A-methyloctahydro-1H-cyclopenta[b]pyridine (CAS 1783699-49-9)
- (1,2-Dimethylpropyl)cyclopropane (CAS 6976-27-8)
- Biotinyl-Neuropeptide W-23 (human) (CAS 1815618-09-7)
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