(E)-2-(2-Benzylcyclohexa-2,4-dien-1-ylidene)naphthalen-1(2H)-one CAS 51431-87-9
| CAS No. | 51431-87-9 |
| Molecular Formula | C23H16O |
| Molecular Weight | 308.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C23H16O, (E)-2-(2-Benzylcyclohexa-2,4-dien-1-ylidene)naphthalen-1(2H)-one contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 308.37 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.
(E)-2-(2-Benzylcyclohexa-2,4-dien-1-ylidene)naphthalen-1(2H)-one (CAS 51431-87-9) is a high-purity analytical reference standard with the molecular formula C23H16O and a molecular weight of 308.37 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.
As a certified reference material (CRM), (E)-2-(2-Benzylcyclohexa-2,4-dien-1-ylidene)naphthalen-1(2H)-one 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 | C23H16O |
| Molecular Weight | 308.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Recommended Standards
- (E)-1-(2,4-Dihydroxy-3-(3-methylbut-2-en-1-yl)phenyl)-3-phenylprop-2-en-1-one (CAS 52601-05-5)
- (E)-2-(4-methoxy-3-(3-methoxypropoxy)benzylidene)-3-methylbutanoic acid (CAS 387868-07-7)
- (9H-Fluoren-9-yl)methyl pyrrolidin-3-ylcarbamate (CAS 690954-40-6)
- (E)-3-phenyl-1-(4-((tetrahydro-2H-pyran-2-yl)oxy)phenyl)prop-2-en-1-one (CAS 364333-61-9)
- .beta.-Alanine, N-dodecyl- (CAS 1462-54-0)
- 3-Tridecyl-1H-pyrazol-5(4H)-one (CAS 63158-98-5)
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