4,4'-(1,2-Phenylenebis(ethyne-2,1-diyl))dibenzoic acid CAS 1258419-74-7
| CAS No. | 1258419-74-7 |
| Molecular Formula | C24H14O4 |
| Molecular Weight | 366.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,4'-(1,2-Phenylenebis(ethyne-2,1-diyl))dibenzoic acid is closely related to a flavonoid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4,4'-(1,2-Phenylenebis(ethyne-2,1-diyl))dibenzoic acid (CAS 1258419-74-7), molecular formula C24H14O4 and molecular weight 366.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C24H14O4, 4,4'-(1,2-Phenylenebis(ethyne-2,1-diyl))dibenzoic acid 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 366.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,4'-(1,2-Phenylenebis(ethyne-2,1-diyl))dibenzoic 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 | C24H14O4 |
| Molecular Weight | 366.37 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Phenylenebis Standards
- 3,3'-(1,3-Phenylenebis(ethyne-2,1-diyl))dibenzoic acid (CAS 1224935-34-5)
- 4,4’-[1,4-Phenylenebis(ethyne-2,1-diyl)]dibenzoic Acid (CAS 217077-89-9)
- 1,4-Phenylenebis((1H-benzo[d][1,2,3]triazol-1-yl)methanone) (CAS 101008-15-5)
- 5,5-[1,2-Phenylenebis(oxymethylene)]-bis(4-chloro-3-methylisoxazole) (CAS 301212-26-0)
- 1,4-Phenylenebis((4-chlorophenyl)methanone) (CAS 22198-42-1)
- 4,4′-{[1,4-phenylenebis(methylene)]bis(oxy)}dibenzoic acid (CAS 47593-50-0)
- 3,3'-(1,4-phenylenebis(azanediyl))bis(5,5-dimethylcyclohex-2-enone) (CAS 78431-57-9)
- 4,4'-(1,4-Phenylenebis(oxy))dibenzoic acid (CAS 13282-09-2)
Recommended Standards
- Methyl 2-(3-{[(tert-butoxy)carbonyl]amino}pyrrolidin-1-yl)-5-nitropyridine-3-carboxylate (CAS 1242268-00-3)
- (2S,3S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-azidobutanoic acid (CAS 131669-42-6)
- 2-({[4-(4-Morpholinyl)-1H-indazol-3-yl]amino}carbonyl)benzoic acid (CAS 1353503-11-3)
- 7-Methyl-5-(morpholin-4-ylcarbonyl)-1-phenylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 1217862-76-4)
- Pcb No. 138 (CAS 35065-28-2)
- 4-((2-Chloro-5-fluoropyrimidin-4-yl)oxy)benzonitrile (CAS 1505284-35-4)
- 97281-36-2 Egg Lyso PC L-alpha-Lysophosphatidylcholine (Egg, Chicken) (CAS 97281-36-2)
- 3-((Benzyloxy)methyl)-4-methyl-1H-1,2,4-triazol-5(4H)-one (CAS 1338226-20-2)
- 5-Methyl-3-(pyridin-3-yl)-1,2,4-oxadiazole (CAS 10350-69-3)
- N-(tert-butyl)-2-(thiophene-3-carbonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxamide (CAS 318256-37-0)
- 4,4＇-Methylenebis(3-chloro-2,6-diethylaniline) (CAS 106246-33-7)
- Posaconazole Impurity 67(R,S,R,R) (CAS 1229428-89-0)
- 3-Bromo-5-((3-(pyrrolidin-1-yl)propyl)amino)benzoic acid (CAS 1990722-54-7)
- [y-Glu15]-Semaglutide Impurity 134 (CAS CATO-C4X-2226134)
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