Diethyl 2-benzhydrylmalonate CAS 5292-54-6
| CAS No. | 5292-54-6 |
| Molecular Formula | C20H22O4 |
| Molecular Weight | 326.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H22O4, Diethyl 2-benzhydrylmalonate 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 326.39 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.
Diethyl 2-benzhydrylmalonate (CAS 5292-54-6), molecular formula C20H22O4 and molecular weight 326.39 g/mol, is a CATO reference standard with documented purity and traceability.
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 manufactures Diethyl 2-benzhydrylmalonate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H22O4 |
| Molecular Weight | 326.39 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
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Recommended Standards
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- Ethyl 2-(benzo[b]thiophen-3-yl)acetate (CAS 7597-68-4)
- Dibenzo[b,ghi]perylene (CAS 5869-30-7)
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- 2-Hydroxy-3-(phosphonooxy)propyl oleate (CAS 22002-87-5)
- cyclopropyl[3-(trifluoromethoxy)phenyl]methanone (CAS 1341065-96-0)
- 1-(4-Methoxybenzyl)-1H-pyrazol-4-ol (CAS 1894535-73-9)
- (4S,5S)-4,5-diphenyl-4,5-dihydro-1H-imidazole (CAS 652150-77-1)
- 3-(Furan-2-ylmethyl)quinazoline-2,4(1H,3H)-dione (CAS 436855-78-6)
- 7-Azabicyclo[2.2.1]hept-2-ene (CAS 55590-24-4)
- 2-([1,2,4]Triazolo[3,4-b][1,3]benzothiazol-3-ylthio)propanoic acid (CAS 704875-01-4)
- 2-[(ethylcarbamoyl)amino]-6-fluorobenzoic acid (CAS 1153395-12-0)
- Tetrapeptide-3 (CAS 827306-97-8)
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