4-Ethynyl-2,3-difluorobenzonitrile CAS 175283-25-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 175283-25-7 |
| Molecular Formula | C9H3F2N |
| Molecular Weight | 163.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Ethynyl-2,3-difluorobenzonitrile (CAS 175283-25-7) pharmaceutical standards reference standard. Molecular formula: C9H3F2N. Molecular weight: 163.12 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H3F2N |
| Molecular Weight | 163.12 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Ethynyl Standards
- 4-Ethynyl-2,6-difluorobenzonitrile (CAS 2380236-60-0)
- 3-Ethynyl-5-nitropyridin-2-amine (CAS 1202474-63-2)
- 3-Ethynyl-4-nitrophenol (CAS 1260790-65-5)
- 3-Ethynyl-5-nitropyridin-4-amine (CAS 1824206-14-5)
- 2-Ethynyl-3-nitropyridin-4-amine (CAS 1851876-98-6)
- 6-Ethynyl-2-nitropyridin-3-amine (CAS 1876987-31-3)
- 2-Ethynyl-4-nitrophenol (CAS 885951-98-4)
- 4-Ethynyl-2-nitrophenol (CAS 70239-81-5)
Recommended Standards
- 7,7-Difluorotetrahydro-1H-Pyrrolo[1,2-c][1,3]Oxazol-3-One (CAS 173315-17-8)
- (1R,4S,5S)-6,6-difluoro-4-(hydroxymethyl)-3-azabicyclo[3.1.0]Hexan-2-one (CAS 2306248-82-6)
- 4-Difluoromethyl-piperidine-2,6-dione (CAS 1706458-55-0)
- 6,7,8,9-Tetrahydro-5h-benzo[7]annulene-5-sulfonamide (CAS 1249917-60-9)
- (4-Chlorophenyl)(piperidin-4-yl)methanol hydrochloride (CAS 38081-59-3)
- Isopropyl 3-(aminomethyl)benzoate (CAS 1183045-29-5)
- 1,4-Diethoxy-2-methylbenzene (CAS 41901-72-8)
- 4-(4-Chlorophenyl)-3-oxobutanenitrile (CAS 701910-77-2)
- 2-Chloro-4-(3-chlorophenyl)-6-phenyl-1,3,5-triazine (CAS 2125473-29-0)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
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