5-Ethynyl-2,3-difluoropyridine CAS 1824109-24-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1824109-24-1 |
| Molecular Formula | C7H3F2N |
| Molecular Weight | 139.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethynyl-2,3-difluoropyridine (CAS 1824109-24-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H3F2N. Molecular weight: 139.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1995 |
| 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)
- 4-Ethynyl-2,3-difluoropyridine (CAS 1426244-30-5)
- 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
- (R)-2-Amino-4,4-difluorobutanoic acid (CAS 185348-78-1)
- 2,6-Difluorobenzonitrile (CAS 1897-52-5)
- 2,2-Difluoro-N-methoxy-N-methylacetamide (CAS 142492-01-1)
- 6-Bromo-2,3-dimethylquinoxaline (CAS 18470-23-0)
- Ethyl 3-amino-3-(5-methylfuran-2-yl)propanoate (CAS 773865-87-5)
- 4-Methoxy-N-(6-morpholinopyridin-3-yl)benzenesulfonamide (CAS 439095-80-4)
- Teprenone impurity 31 (CAS CATO-C4X-208131)
- 4-(Pyridin-3-yl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine (CAS 1255099-15-0)
- Methyl 2-((1,3-dimethyl-6-nitro-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-5-yl)amino)benzoate (CAS 882749-98-6)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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