4,5-Bis(2,3-difluorophenyl)-2-fluoropyridine CAS 1261482-76-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261482-76-1 |
| Molecular Formula | C17H8F5N |
| Molecular Weight | 321.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4,5-Bis(2,3-difluorophenyl)-2-fluoropyridine (CAS 1261482-76-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H8F5N. Molecular weight: 321.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H8F5N |
| Molecular Weight | 321.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1-(4-(2,4-Difluorobenzoyl)piperidin-1-yl)-2,2,2-trifluoroethanone (CAS 1198287-09-0)
- 1-Benzyl-4-(3,4-dichlorophenyl)pyrrolidin-3-amine (CAS 1363405-08-6)
- 2-((1,3,4-Thiadiazol-2-yl)thio)-1-(3-bromothiophen-2-yl)ethan-1-one (CAS 1156280-33-9)
- 2-Phenyl-7,8-dihydro-5(6H)-quinazolinone (CAS 21599-31-5)
- 5-Chloro-7-(pyridin-2-yl(pyrrolidin-1-yl)methyl)quinolin-8-ol (CAS 622792-20-5)
- 3- imino-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3,-a]pyrazin-7(8H)-YL]-4-(2,4,5-trifluo (CAS 1488277-24-2)
- 3-Amino-1-(3,3-difluorocyclobutyl)pyridin-2(1H)-one (CAS 2271472-84-3)
- 1-(2,4-Difluorophenyl)pentan-2-one (CAS 1251112-71-6)
- 7-Benzyl-6-fluoro-7H-purine (CAS 150721-87-2)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
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