4,4'-(9,9-Diethyl-9H-fluorene-2,7-diyl)dibenzaldehyde CAS 2116542-14-2
| CAS No. | 2116542-14-2 |
| Molecular Formula | C31H26O2 |
| Molecular Weight | 430.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,4'-(9,9-Diethyl-9H-fluorene-2,7-diyl)dibenzaldehyde is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4,4'-(9,9-Diethyl-9H-fluorene-2,7-diyl)dibenzaldehyde (CAS 2116542-14-2), molecular formula C31H26O2 and molecular weight 430.54 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 4,4'-(9,9-Diethyl-9H-fluorene-2,7-diyl)dibenzaldehyde is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 430.54 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4,4'-(9,9-Diethyl-9H-fluorene-2,7-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 | C31H26O2 |
| Molecular Weight | 430.54 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
Related Diethyl Standards
- Diethyl 2-(2-oxo-2-(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)ethyl)malonate (CAS 633318-79-3)
- Bis(diethyl-D-tartrate glycolato)diboron (CAS 312693-46-2)
- Diethyl 2-(((2-fluorophenyl)amino)((2-oxo-2-phenylethyl)thio)methylene)malonate (CAS 866153-24-4)
- Diethyl ((1S)-quinolin-4-yl(5-vinylquinuclidin-2-yl)methyl)phosphoramidate (CAS 1354565-13-1)
- Diethyl ((1R)-quinolin-4-yl(5-vinylquinuclidin-2-yl)methyl)phosphoramidate (CAS 1354565-16-4)
- 3,5-Diethyl 6-[4-(4-methoxyphenyl)piperazin-1-yl]-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate (CAS 338396-57-9)
- Diethyl (6-phenylphenanthridine-3,8-diyl)dicarbamate (CAS 62895-39-0)
- 1,3-Diethyl 2-{1-[3-(4-ethylphenoxy)phenyl]-2-nitroethyl}propanedioate (CAS 866154-80-5)
Recommended Standards
- 4-(2-Methoxyphenyl)-5-(4-(piperidin-1-ylsulfonyl)phenyl)-4H-1,2,4-triazole-3-thiol (CAS 917750-03-9)
- 5-(3-(Morpholinosulfonyl)phenyl)-4-(1-phenylethyl)-4h-1,2,4-triazole-3-thiol (CAS 519150-57-3)
- 3,3-Bis(4-hydroxy-2-isopropyl-5-methylphenyl)isobenzofuran-1(3H)-one (CAS 6869-00-7)
- 6,13-Diphenylpentacene (CAS 76727-11-2)
- 5-Bromo-2-(4-fluorophenyl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide (CAS 1333225-20-9)
- 2,5-Dichloro-3-methylbenzaldehyde (CAS 1160573-34-1)
- (R)-4-(1-Aminoethyl)-N-(pyridin-4-yl)cyclohexanecarboxamide (CAS 521059-79-0)
- 5-chloro-3-nitrobenzene-1,2-diamine (CAS 42389-30-0)
- 2-(4-Fluorophenyl)-N-(furan-2-ylmethyl)ethan-1-amine hydrochloride (CAS 435345-21-4)
- 3-Hydrazinyl-8-methyl-8-azabicyclo[3.2.1]octane dihydrochloride (CAS 110406-91-2)
- 2-(6-Amino-5-(aminomethyl)-4-(difluoromethyl)pyridin-2-yl)acetonitrile (CAS 1804457-32-6)
- 2-Chloro-3-(chloromethyl)-5-(difluoromethyl)-4-methoxypyridine (CAS 1804664-14-9)
- 3H-Benzo[c][1,2]oxathiole 1,1-dioxide (CAS 4430-23-3)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
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