3-Ethynyl-4-methoxybenzonitrile CAS 204919-70-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 204919-70-0 |
| Molecular Formula | C10H7NO |
| Molecular Weight | 157.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethynyl-4-methoxybenzonitrile (CAS 204919-70-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H7NO. Molecular weight: 157.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H7NO |
| Molecular Weight | 157.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | 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.) | 2015 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-Ethyl-5,5-dimethyloxazolidine-2,4-dione (CAS 520-77-4)
- 3H-Benzofuro[2,3-c]pyrrole (CAS 25042-99-3)
- 3-Ethoxy-1-methylpyrrolidine-2,5-dione (CAS 341008-87-5)
- (S)-1-(2,4,5-Trimethylphenyl)ethan-1-amine (CAS 82679-49-0)
- Methyl 4-bromo-3-isopropyl-1-methyl-1H-pyrazole-5-carboxylate (CAS 1401319-07-0)
- (1S)-2-azabicyclo[2.2.1]Heptane-4-carboxylic acid (CAS 1212824-19-5)
- Ethyl 3-cyano-4-methylene-3-(methylsulfonyl)cyclopentanecarboxylate (CAS 1710293-62-1)
- 6-Fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 1256358-98-1)
- (S)-3-((tert-Butoxycarbonyl)amino)-3-(3-(trifluoromethyl)phenyl)propanoic acid (CAS 500770-78-5)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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