4,4'-(4-Phenylpyridine-2,6-diyl)dibenzoic acid CAS 42178-86-9
| CAS No. | 42178-86-9 |
| Molecular Formula | C25H17NO4 |
| Molecular Weight | 395.41 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'-(4-Phenylpyridine-2,6-diyl)dibenzoic acid.
4,4'-(4-Phenylpyridine-2,6-diyl)dibenzoic acid (CAS 42178-86-9) is a high-purity analytical reference standard with the molecular formula C25H17NO4 and a molecular weight of 395.41 g/mol.
Based on its molecular formula C25H17NO4, 4,4'-(4-Phenylpyridine-2,6-diyl)dibenzoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 395.41 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'-(4-Phenylpyridine-2,6-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 | C25H17NO4 |
| Molecular Weight | 395.41 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1969 |
| Nitrogen Atoms | 1 |
Related Phenylpyridine Standards
- 4,4'-(4-Phenylpyridine-2,6-diyl)dianiline (CAS 312491-28-4)
- 3-Phenylpyridine-2-sulfonyl chloride (CAS 127175-12-6)
- 6-Phenylpyridine-3-sulfonyl chloride (CAS 884507-12-4)
- 4-Phenylpyridine-2,3-dicarboxylic acid (CAS 183551-22-6)
- 4-Phenylpyridine-2,6-dicarboxylicAcid (CAS 83463-12-1)
- N-Phenylpyridine-2-sulfonamide (CAS 103863-00-9)
- 6-Phenylpyridine-3-sulfonamide (CAS 2035053-36-0)
- N-Phenylpyridine-4-sulfonamide (CAS 721-76-6)
Recommended Standards
- 3-(12,14-Dioxo-9,10-dihydro-9,10-[3,4]epipyrroloanthracen-13-yl)benzoic acid (CAS 313653-93-9)
- 4-[16,18-Dioxo-17-azapentacyclo[6.6.5.0~2,7~.0~9,14~.0~15,19~]nonadeca-2,4,6,9(14),10,12-hexaen-17-yl]benzenecarboxylic acid (CAS 313653-92-8)
- 2-[({4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}amino)methylidene]-1,3-diphenylpropane-1,3-dione (CAS 220957-69-7)
- 4-Hydroxy-6-((3-sulfophenyl)amino)naphthalene-2-sulfonic acid (CAS 25251-42-7)
- 3-chloro-1,2,4-thiadiazol-5-amine (CAS 27787-59-3)
- 2-(3-Chloropropyl)-5,6-dimethoxyisoindolin-1-one (CAS 1163250-40-5)
- n1-Methyl-n1-propylbenzene-1,2-diamine (CAS 1094813-04-3)
- N-(1-Benzylpiperidin-4-ylidene)hydroxylamine (CAS 949-69-9)
- 1-(3-Ethynylphenyl)-1H-pyrrole-2,5-dione (CAS 105280-01-1)
- 2-Chloro-6-isopropoxyisonicotinic acid (CAS 108994-42-9)
- 2-Methyl-2-vinylcyclopentanone (CAS 88729-76-4)
- (Z)-2-((2,5-difluorophenyl)sulfonyl)-1-(4-ethylphenyl)-3-((4-methoxyphenyl)amino)prop-2-en-1-one (CAS 1327176-90-8)
- 1-(2,6-difluorophenyl)-1H-1,3-benzodiazol-2-amine (CAS 1038303-08-0)
- Semaglutide Impurity 133 (CAS CATO-C4X-2226133)
Why CATO?
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