4-Ethynyl-N,N-bis(4-methoxyphenyl)aniline CAS 218608-73-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 218608-73-2 |
| Molecular Formula | C22H19NO2 |
| Molecular Weight | 329.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethynyl-N,N-bis(4-methoxyphenyl)aniline (CAS 218608-73-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H19NO2. Molecular weight: 329.39 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H19NO2 |
| Molecular Weight | 329.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Benzylidene-2-methyl-1,2,3,4-tetrahydroacridine-9-carboxylic acid (CAS 721413-92-9)
- 4-Phenyl-2-(thiophene-2-amido)thiophene-3-carboxylic acid (CAS 342382-26-7)
- 4-Benzoyl-2-phenyl-4,6,7,8-tetrahydroquinolin-5(1H)-one (CAS 61049-63-6)
- 1-(2-fluoro-6-methyl-phenyl)hexahydropyrimidine-2,4-dione (CAS 1602150-51-5)
- 4-Benzyl-4h-thieno[3,2-b]pyrrole-5-carboxylic acid (CAS 837390-55-3)
- 2-Ethyl-6-methylbenzenesulfonamide (CAS 1094671-90-5)
- 4-Methoxy-3-(methoxymethyl)benzaldehyde (CAS 76646-41-8)
- 2,5-Dipentylfuran (CAS 89834-67-3)
- 3-(3-(4-Fluorophenyl)-1h-pyrazol-1-yl)propan-1-amine (CAS 1006480-30-3)
- Des-Pro36-Tirzepatide (CAS CATO-CPTD788937)
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