[1,1':4',1'':4'',1'''-quaterphenyl]-4,4'''-dicarbaldehyde CAS 857412-06-7
| CAS No. | 857412-06-7 |
| Molecular Formula | C26H18O2 |
| Molecular Weight | 362.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[1,1':4',1'':4'',1'''-quaterphenyl]-4,4'''-dicarbaldehyde (CAS 857412-06-7), molecular formula C26H18O2 and molecular weight 362.42 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, [1,1':4',1'':4'',1'''-quaterphenyl]-4,4'''-dicarbaldehyde (C26H18O2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 362.42 g/mol, it falls into the moderately-high-molecular-weight range. 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), [1,1':4',1'':4'',1'''-quaterphenyl]-4,4'''-dicarbaldehyde 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 | C26H18O2 |
| Molecular Weight | 362.42 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related quaterphenyl Standards
- [1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetraamine (CAS 1569868-34-3)
- [1,1':4',1'':4'',1'''-Quaterphenyl]-4,4'''-diamine (CAS 53693-67-7)
- [1,1':2',1'':4'',1'''-Quaterphenyl]-4-carbaldehyde (CAS 1334287-58-9)
- [1,1':4',1'':4'',1'''-Quaterphenyl]-2-carbaldehyde (CAS 3365-18-2)
- [1,1':4',1'':4'',1'''-Quaterphenyl]-3-carbaldehyde (CAS 3365-16-0)
- [1,1':4',1'':4'',1'''-Quaterphenyl]-4,4'''-dicarboxylic acid (CAS 143613-17-6)
- [1,1':4',1'':4'',1'''-Quaterphenyl]-4-amine (CAS 25660-12-2)
- [1,1':3',1'':3'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarbaldehyde (CAS 2459652-60-7)
Recommended Standards
- (S)-Methyl 1-((S)-2-(((benzyloxy)carbonyl)amino)-3-methylbutanoyl)pyrrolidine-2-carboxylate (CAS 51827-14-6)
- 1-(3-(2-(4-(Benzyloxy)phenoxy)ethoxy)phenyl)ethan-1-one (CAS 937601-88-2)
- (S)-6-Amino-2-((S)-N-(2-aminoacetyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxamido)hexanoic acid (CAS 350595-75-4)
- 1-(4-(2-(4-(Benzyloxy)phenoxy)ethoxy)phenyl)ethan-1-one (CAS 937601-89-3)
- 3-Methoxy-L-tyrosine Methyl Ester (CAS 78148-37-5)
- 6-(tert-Butyl)-5-chloro-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 1708268-90-9)
- 2-(3-(Bromomethyl)phenyl)-2-methylpropanenitrile (CAS 1415325-00-6)
- 5-(1-methoxyethyl)furan-2-carboxylic acid (CAS 106788-05-0)
- ARV471 (CAS 2229711-68-4)
- 1-(6-(4-Iodophenyl)-2-methylpyridin-3-yl)ethanone (CAS 1804966-76-4)
- 21700-74-3 (4-Chlorophenyl)triethoxysilane Benzene, 1-chloro-4-(triethoxysilyl)- Silane, (4-chlorophenyl)triethoxy- EINECS 244-533-9 (CAS 21700-74-3)
- 3-((4-(3-(Trifluoromethyl)phenoxy)piperidin-1-yl)methyl)pyrrolidin-3-ol (CAS 1378017-05-0)
- Baricitinib Impurity 77 (CAS CATO-C4X-226077)
- Autocamtide-2-Related Inhibitory Peptide TFA (CAS 167114-91-2（free base）)
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