2-Ethynyl-3,5-difluoropyridine CAS 1121585-18-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1121585-18-9 |
| Molecular Formula | C7H3F2N |
| Molecular Weight | 139.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethynyl-3,5-difluoropyridine (CAS 1121585-18-9) 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.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Ethynyl Standards
- 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)
- 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-Amino-4,4-difluorobutanoic acid (CAS 107910-31-6)
- 1,3-Difluoro-2-isocyanobenzene (CAS 115591-42-9)
- Favipiravir Impurity 7 (CAS 356783-31-8)
- (S)-2-Amino-N-(3-((3-aminopropyl)amino)propyl)-5-guanidinopentanamide (CAS 141997-14-0)
- 1-(3-Azetidinyl)pyrazole Dihydrochloride (CAS 1221715-95-2)
- methyl 3-(2-fluorophenyl)-1H-pyrazole-5-carboxylate (CAS 1239717-20-4)
- Cholesterol Impurity 17 (CAS 14214-69-8)
- METHOXYCINNAMIC ACID, 2- (CAS 1011-54-7)
- N-(4-Chlorophenyl)-2-hydrazinyl-5-nitrobenzene-1-sulfonamide (CAS 328028-59-7)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
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