4,4'-(Ethene-1,2-diyl)dibenzaldehyde CAS 4720-99-4
| CAS No. | 4720-99-4 |
| Molecular Formula | C16H12O2 |
| Molecular Weight | 236.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,4'-(Ethene-1,2-diyl)dibenzaldehyde.
4,4'-(Ethene-1,2-diyl)dibenzaldehyde (CAS 4720-99-4), molecular formula C16H12O2 and molecular weight 236.27 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4,4'-(Ethene-1,2-diyl)dibenzaldehyde (C16H12O2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), 4,4'-(Ethene-1,2-diyl)dibenzaldehyde 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 | C16H12O2 |
| Molecular Weight | 236.27 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 | 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 Ethene Standards
- (E)-4,4’-(Ethene-1,2-diyl)dibenzaldehyde (CAS 84907-53-9)
- (E)-(ethene-1,2-diylbis(4,1-phenylene))dimethanol (CAS 101168-88-1)
- 4,4'-(Ethene-1,1-diyl)bis(methoxybenzene) (CAS 4356-69-8)
- (E)-4,4'-(Ethene-1,2-diyl)dibenzonitrile (CAS 5216-37-5)
- (Z)-4,4'-(Ethene-1,2-diyl)dibenzonitrile (CAS 2510-73-8)
- 3,3'-(Ethene-1,1-diyl)bis(1h-indole) (CAS 96859-72-2)
- 4,4'-(Ethene-1,2-diyl)bis(1-methylpyridin-1-ium) (CAS 41491-90-1)
- (E)-4,4'-(Ethene-1,2-diyl)diphenol (CAS 15058-36-3)
Recommended Standards
- 4-(quinolin-4-yloxy)aniline (CAS 863503-93-9)
- 4,4-Dimethyl-3-[(4-nitrophenyl)methyl]-1,3-oxazolidine (CAS 866157-34-8)
- 4-(Pyridin-4-ylmethyl)isoquinolin-1(2H)-one (CAS 258851-18-2)
- 4,5-Diphenyl-oxazol-2-ylamine (CAS 33119-63-0)
- N-Cyclohexyl-4-((2,6-dimethylmorpholino)sulfonyl)benzamide (CAS 325729-48-4)
- Rhodium, (acetato-κO)bis(1,3-diphenyl-1,3-propanedionato-κO1,κO3)- (CAS 68413-70-7)
- N-(2,3-dimethylphenyl)-2-(2-ethoxy-4-formylphenoxy)acetamide (CAS 552842-84-9)
- [1-(2-Chloro-acetyl)-piperidin-3-yl]-methyl-carbamic acid tert-butyl ester (CAS 1354002-78-0)
- Calcipotriol Impurity 31 (CAS 866406-02-2)
- Methyl 2-((6,7-dihydro-5H-[1,2,4]triazolo[3,4-b][1,3]thiazin-3-yl)carbamoyl)benzoate (CAS 946300-60-3)
- Methyl 4-(naphthalen-1-ylmethoxy)benzoate (CAS 149326-16-9)
- tert-Butyl N-[cis-3-fluoropiperidin-4-yl]carbamate (CAS 1268521-83-0)
- 7-(Diethylamino)-2-oxo-2h-chromene-4-carbaldehyde (CAS 54711-39-6)
- Retatrutide (CAS 2381089-83-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com