[1,1':4',1'':4'',1'''-Quaterphenyl]disulfonic acid CAS 74218-63-6
| CAS No. | 74218-63-6 |
| Molecular Formula | C24H18O6S2 |
| Molecular Weight | 466.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[1,1':4',1'':4'',1'''-Quaterphenyl]disulfonic acid (CAS 74218-63-6) is a high-purity analytical reference standard with the molecular formula C24H18O6S2 and a molecular weight of 466.53 g/mol.
[1,1':4',1'':4'',1'''-Quaterphenyl]disulfonic acid (C24H18O6S2) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 [1,1':4',1'':4'',1'''-Quaterphenyl]disulfonic acid 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 | C24H18O6S2 |
| Molecular Weight | 466.53 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1978 |
| Sulfur Atoms | 2 |
Related Quaterphenyl Standards
- [1,1':4',1'':4'',1'''-Quaterphenyl]-2,2''',4,4'''-tetracarboxylic acid (CAS 1860824-55-0)
- [1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarboxylic acid (CAS 921619-91-2)
- [1,1':2',1'':2'',1'''-Quaterphenyl]-2-yl(4-(Dimethylamino)phenyl)(methyl)phosphineoxide (CAS 105521-34-4)
- 2,2′-[1,1′:3′,1′′:3′′,1′′′-Quaterphenyl]-2′,2′′-diylbis[4,5-dihydrooxazole] (CAS 1021602-62-9)
- [1,1':4',1'':4'',1'''-quaterphenyl]-3,4''',5-tricarboxylic acid (CAS 2005517-60-0)
- 2-([1,1':4',1'':4'',1'''-Quaterphenyl]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1802233-15-3)
- [1,1':3',1'':3'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarbaldehyde (CAS 2459652-60-7)
- [1,1':3',1'':3'',1'''-Quaterphenyl]-4,4''',5',5''-tetracarbaldehyde (CAS 2757248-24-9)
Recommended Standards
- (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(tert-butoxycarbonyl)piperidine-3-carboxylic acid (CAS 862372-85-8)
- 1-Boc-3-(Fmoc-amino)-3-piperidinecarboxylic Acid (CAS 368866-21-1)
- (2S,4S)-4-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylic acid (CAS 273221-98-0)
- 2-(1,3-Dimethyl-6-oxo-1,2,3,6-tetrahydro-7H-purin-7-yl)ethyl 2-((1-benzyl-4-methyl-1H-pyrazol-3-yl)oxy)-2-methylpropanoate (CAS 300683-49-2)
- 6-Chloro-8-cyclopropyl-9H-purine (CAS 1044764-94-4)
- 4-Chloro-N'-[3-(morpholine-4-sulfonyl)pyridin-2-yl]benzohydrazide (CAS 1774905-64-4)
- (1-(tert-butoxycarbonyl)-5-(((2-((tert-butyldimethylsilyl)oxy)ethyl)amino)methyl)-1H-indol-2-yl)boronic acid (CAS 913388-73-5)
- Methyl 5-fluoroquinoline-2-carboxylate (CAS 1420793-19-6)
- 2-(3-Hydroxypiperidin-3-yl)acetonitrile (CAS 1500551-35-8)
- N-(4-Chlorobenzyl)-N-ethylethanamine (CAS 24619-87-2)
- n-(4-Methoxypentyl)cyclopropanamine (CAS 1251085-62-7)
- 2-(4-Amino-phenyl)-ethanesulfonic acid amide (CAS 88488-03-3)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
- [Ser39-OH] Tirzepatide (CAS CATO-C4X-324041)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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