2,4-Diphenylcyclobutane-1,3-dicarboxylic acid CAS 4462-95-7
| CAS No. | 4462-95-7 |
| Molecular Formula | C18H16O4 |
| Molecular Weight | 296.32 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.
CATO supplies 2,4-Diphenylcyclobutane-1,3-dicarboxylic acid (CAS 4462-95-7), a certified reference material (molecular formula C18H16O4, MW 296.32 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H16O4, 2,4-Diphenylcyclobutane-1,3-dicarboxylic acid contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 296.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 2,4-Diphenylcyclobutane-1,3-dicarboxylic 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 | C18H16O4 |
| Molecular Weight | 296.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Diphenylcyclobutane Standards
Recommended Standards
- 2',3'-Dichloro-[1,1'-biphenyl]-4-ol (CAS 53714-66-2)
- 2,6-Dinitro-4-octan-2-ylphenol (CAS 4095-54-9)
- 2,2-Dimethyl-4-oxo-4-(3,4,5-trimethoxyphenyl)butanoic acid (CAS 951893-89-3)
- 2-[(4-methyl-1,3-thiazol-2-yl)sulfanyl]-5-nitrobenzoic acid (CAS 565179-69-3)
- 1-Ethyl-4-iodo-3-methyl-5-nitro-1H-pyrazole (CAS 1354703-64-2)
- 2-(4-(Trifluoromethyl)phenyl)pyrimidine-5-carboxaldehyde (CAS 1102229-83-3)
- 6-Fluoro-3-iodo-1-methyl-1H-pyrrolo[3,2-b]pyridine (CAS 2231676-01-8)
- 5-Benzhydryl-4H-1,2,4-triazol-3-amine (CAS 502685-63-4)
- Imazamethabenz (CAS 100728-84-5)
- 6-Ethoxy-5-(ethoxycarbonyl)-6-oxohexane-1-sulfonic acid (CAS 5324-63-0)
- 3-(Pyridin-4-yl)-2,6-naphthyridin-1(2H)-one (CAS 1246764-22-6)
- n-Ethyl-3-methyl-N-(pyrrolidin-3-yl)butanamide (CAS 1178703-36-0)
- N-(4-methoxybutyl)tetrahydro-2H-thiopyran-3-amine (CAS 1341478-94-1)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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