4-Ethynyl-2,3-difluoropyridine CAS 1426244-30-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1426244-30-5 |
| Molecular Formula | C7H3F2N |
| Molecular Weight | 139.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Ethynyl-2,3-difluoropyridine (CAS 1426244-30-5) pharmaceutical standards reference standard. Molecular formula: C7H3F2N. Molecular weight: 139.10 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H3F2N |
| Molecular Weight | 139.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Ethynyl Standards
- 2-Ethynyl-3,5-difluoropyridine (CAS 1121585-18-9)
- 4-Ethynyl-2,5-difluoropyridine (CAS 1426243-94-8)
- 3-Ethynyl-2,4-difluoropyridine (CAS 1426244-29-2)
- 5-Ethynyl-2,3-difluoropyridine (CAS 1824109-24-1)
- 4-Ethynyl-3,5-difluoropyridine (CAS 1824403-41-9)
- 3-ethynyl-3-hydroxy-1-methylpyrrolidin-2-one (CAS 1202769-93-4)
- (R)-3-Ethynyl-3-hydroxy-1-methylpyrrolidin-2-one, >97% (CAS 1451089-77-2)
- (S)-3-Ethynyl-3-hydroxy-1-methylpyrrolidin-2-one (CAS 1799615-79-4)
Recommended Standards
- 2,2-Difluoro-N-methoxy-N-methylacetamide (CAS 142492-01-1)
- (R)-2-Amino-4,4-difluorobutanoic acid (CAS 185348-78-1)
- 2,2-Difluoro-3-(methylamino)propanoic acid (CAS 1346746-34-6)
- n-Cyclopropyl-2-((3-ethynylphenyl)amino)acetamide (CAS 1020974-45-1)
- Perfluoro-1-propanesulfonyl Fluoride (CAS 423-40-5)
- N-hexylpyridinium bromide (CAS 74440-81-6)
- N-Benzyl-3-(5-(4-bromophenyl)furan-2-yl)propanamide (CAS 853331-09-6)
- Methyl 5-(2-chloroacetyl)furan-3-carboxylate (CAS 1258649-64-7)
- (1-(2-Aminoethyl)piperidin-2-yl)methanol (CAS 857637-04-8)
- Endo-Ala35-Tirzepatide (CAS CATO-CPTD788687)
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