4-Ethynyl-2-(trifluoromethyl)benzonitrile CAS 239104-49-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 239104-49-5 |
| Molecular Formula | C10H4F3N |
| Molecular Weight | 195.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Ethynyl-2-(trifluoromethyl)benzonitrile (CAS 239104-49-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H4F3N. Molecular weight: 195.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H4F3N |
| Molecular Weight | 195.14 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 chloroform, dichloromethane, ethyl acetate |
| 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.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Ethynyl Standards
Recommended Standards
- 4-(propan-2-yl)-2-(trifluoromethyl)-2,5-dihydro-1,3-oxazol-5-one (CAS 2357-39-3)
- 3-amino-1,1,1-trifluoro-2-(2-furyl)propan-2-ol (CAS 933726-15-9)
- 4-Hydrazino-7-nitrobenzofurazan (CAS 90421-78-6)
- 4-(3-Fluorophenyl)-2-methylpyrimidine (CAS 85979-50-6)
- 5-(Piperazin-1-yl)quinoline (CAS 117922-84-6)
- (3,5-dimethylphenyl)magnesium bromide
3,5-Dimethylphenylmagnesium bromide
34696-73-6 (CAS 34696-73-6)
- 3-((6-Nitrobenzo[d][1,3]dioxol-5-yl)methylene)dihydrofuran-2(3H)-one (CAS 92722-46-8)
- 2-(4-Bromo-2-chlorophenyl)-1,3-dioxolane (CAS 2221812-22-0)
- Lumateperone impurity 57 (CAS CATO-C4X-220157)
- Pancreatic Polypeptide (31-36), amide, human (CAS 74012-13-8)
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