(1R,2R)-2-(2-(3-chlorophenyl)-2-oxoethyl)cyclohexane-1-carboxylic acid CAS 736136-40-6
| CAS No. | 736136-40-6 |
| Molecular Formula | C15H17ClO3 |
| Molecular Weight | 280.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(1R,2R)-2-(2-(3-chlorophenyl)-2-oxoethyl)cyclohexane-1-carboxylic acid (CAS 736136-40-6), molecular formula C15H17ClO3 and molecular weight 280.75 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H17ClO3, (1R,2R)-2-(2-(3-chlorophenyl)-2-oxoethyl)cyclohexane-1-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 280.75 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), (1R,2R)-2-(2-(3-chlorophenyl)-2-oxoethyl)cyclohexane-1-carboxylic acid 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 | C15H17ClO3 |
| Molecular Weight | 280.75 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 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
Recommended Standards
- 4-Chloro-2-(1-methoxyethyl)-6-(1,3,5-trimethyl-1H-pyrazol-4-yl)pyrimidine (CAS 1713713-36-0)
- (1R,2R)-2-(2-(4-chlorophenyl)-2-oxoethyl)cyclohexane-1-carboxylic acid (CAS 736136-41-7)
- 4-Chloro-6-(1-ethyl-3-methyl-1H-pyrazol-5-yl)-2-(1-methoxyethyl)pyrimidine (CAS 1708437-44-8)
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