(1R,2R)-2-(4-bromobenzoyl)cyclohexane-1-carboxylic acid CAS 956136-58-6
| CAS No. | 956136-58-6 |
| Molecular Formula | C14H15BrO3 |
| Molecular Weight | 311.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(1R,2R)-2-(4-bromobenzoyl)cyclohexane-1-carboxylic acid (CAS 956136-58-6), molecular formula C14H15BrO3 and molecular weight 311.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H15BrO3, (1R,2R)-2-(4-bromobenzoyl)cyclohexane-1-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 311.17 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).
As a certified reference material (CRM), (1R,2R)-2-(4-bromobenzoyl)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 | C14H15BrO3 |
| Molecular Weight | 311.17 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 |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
Recommended Standards
- (5-Bromo-1H-indazol-3-yl)-acetic acid tert-butyl ester (CAS 1965309-76-5)
- (1R,2R)-Methyl 2-(4-bromobenzoyl)cyclopentanecarboxylate (CAS 791594-14-4)
- tert-Butyl 7-bromo-3-methyl-1H-indazole-1-carboxylate (CAS 1935509-52-6)
- (1R,2S)-2-(2-(2-bromophenyl)-2-oxoethyl)cyclopentane-1-carboxylic acid (CAS 733740-67-5)
- 4-(2-fluorobenzyl)-1,3-thiazol-2-amine (CAS 1087784-76-6)
- 8-Phenyl-3H-purine-6(7H)-thione (CAS 3298-76-8)
- (2-phenylcyclopentyl)methanamine hydrochloride (CAS 1864058-27-4)
- 3-Bromo-1-cyclopentyl-5-methyl-1H-pyrazole (CAS 1354704-58-7)
- N-(2-Bromophenyl)-3-methylbenzamide (CAS 331719-47-2)
- Aprepitant impurity 55 (CAS CATO-C4X-114155)
- N-{2-[(4-bromophenyl)sulfanyl]ethyl}-2-(3,4-dichlorophenyl)acetamide (CAS 477886-08-1)
- 2-((4-Morpholinobenzyl)amino)ethan-1-ol (CAS 1040312-70-6)
- N-(4-bromo-8-nitronaphthalen-1-yl)acetamide (CAS 92025-28-0)
- Insulin Degludec Impurity 13 (CAS CATO-C4X-215713)
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