4,4'-(2,5-Difluoro-1,4-phenylene)dipyridine CAS 1429342-59-5
| CAS No. | 1429342-59-5 |
| Molecular Formula | C16H10F2N2 |
| Molecular Weight | 268.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,4'-(2,5-Difluoro-1,4-phenylene)dipyridine 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.
4,4'-(2,5-Difluoro-1,4-phenylene)dipyridine (CAS 1429342-59-5), molecular formula C16H10F2N2 and molecular weight 268.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H10F2N2, 4,4'-(2,5-Difluoro-1,4-phenylene)dipyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 268.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C16H10F2N2 |
| Molecular Weight | 268.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 2-Bromo-4-(difluoromethyl)-5-fluoropyridine (CAS 1805299-88-0)
- (6-Bromo-3-fluoro-2-methoxyphenyl)boronic acid (CAS 957035-08-4)
- 2-(4-(Difluoromethyl)-2-hydroxy-5-methoxypyridin-3-yl)acetonitrile (CAS 1805204-41-4)
- N-Isopropyl-N-(4-methyloxazol-2-yl)butyramide (CAS 57067-96-6)
- 15,15,17,17-Tetraethoxy-2,5,8,11,18-pentaoxa-15,17-disilaicosane (CAS 1627573-19-6)
- Ethyl 6-amino-5-cyano-4-(3,4-dichlorophenyl)-2-methyl-4H-pyran-3-carboxylate (CAS 89809-79-0)
- 1-Benzhydryl-2-(fluoromethyl)azetidin-3-ol (CAS 2231673-20-2)
- Bis(2-ethylhexyl)carbamodithioic acid (CAS 77414-73-4)
- Semaglutide impurity 272 (CAS CATO-C4X-2226272)
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