4,4'-(2,5-Difluoro-1,4-phenylene)dipyridine CAS 1429342-59-5
Purity 97%+In StockPharmaceutical Standards
| 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
4,4'-(2,5-Difluoro-1,4-phenylene)dipyridine (CAS 1429342-59-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H10F2N2. Molecular weight: 268.26 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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 |
Related Difluoro Standards
- 3-(Difluoro(4-methoxyphenyl)methyl)bicyclo[1.1.1]Pentane-1-carboxylic acid (CAS 2198774-69-3)
- Ethyl 2,2-difluoro-2-((1-methyl-1H-imidazol-2-yl)sulfonyl)acetate (CAS 1706433-15-9)
- (Difluoro(4-(trifluoromethyl)phenyl)methyl)trimethylsilane (CAS 149194-32-1)
- 2-(4,4-Difluoro-1-(m-tolyl)cyclohexyl)acetic acid (CAS 2251053-38-8)
- 2-(4,4-Difluoro-1-(o-tolyl)cyclohexyl)acetic acid (CAS 2251054-37-0)
- 2-(4,4-Difluoro-1-(p-tolyl)cyclohexyl)acetic acid (CAS 2251053-57-1)
- 10,10-Difluoro-2-(6-methylpyridazin-3-yl)-2,7-diazaspiro[4.5]decane (CAS 1422134-74-4)
- EThyl 2,2-difluoro-2-(4-oxochromen-3-yl)acetate (CAS 1431841-88-1)
Recommended Standards
- (5-Hydroxybenzofuran-3-yl)(3-methoxyphenyl)methanone (CAS 1427020-97-0)
- Ethyl 3,4,5-trimethoxybenzoylformate (CAS 14655-36-8)
- (5-Hydroxybenzofuran-3-yl)(2-methoxyphenyl)methanone (CAS 1427020-40-3)
- 2-Amino-N-(2-cyanobenzyl)-N-methylacetamide (CAS 1353954-91-2)
- 2-Bromo-4-(difluoromethyl)-5-fluoropyridine (CAS 1805299-88-0)
- 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)
- Semaglutide impurity 272 (CAS CATO-C4X-2226272)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com