4,4′-[(1E)-1,2-Diphenyl-1,2-ethenediyl]bis[benzaldehyde] CAS 1421321-70-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1421321-70-1 |
| Molecular Formula | C28H20O2 |
| Molecular Weight | 388.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,4′-[(1E)-1,2-Diphenyl-1,2-ethenediyl]bis[benzaldehyde] (CAS 1421321-70-1) pharmaceutical standards reference standard. Molecular formula: C28H20O2. Molecular weight: 388.46 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C28H20O2 |
| Molecular Weight | 388.46 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related E Standards
- N4-(diphenyl(p-tolyl)methyl)-D-asparagine (CAS 200203-23-2)
- 1,1-Diphenyl-3-(p-tolyl)isoquinolin-4(1H)-one (CAS 102301-79-1)
- Ethyl 2,4-diphenyl-6-(piperidin-1-yl)pyrimidine-5-carboxylate (CAS 823794-32-7)
- 2,4-Diphenyl-6-(trichloromethyl)-5H-1,3,5,2-triazaphosphinine 2-oxide (CAS 255869-93-3)
- Ethyl 2-((1,5-diphenyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)oxy)acetate (CAS 318951-49-4)
- Diphenyl (hydroxy(naphthalen-1-yl)methyl)phosphonate (CAS 681455-07-2)
- 1,3-Diphenyl-1-(3-(phenylamino)-1,2,4-thiadiazol-5-yl)guanidine (CAS 59236-39-4)
- N-(4,5-Diphenyl-1H-1,2,3-triazol-1-yl)-4-methylbenzenesulfonamide (CAS 40679-60-5)
Recommended Standards
- Trimethobenzamide (CAS 138-56-7)
- N-Benzhydryl-4-(pyrazin-2-yloxy)piperidine-1-carboxamide (CAS 1448072-14-7)
- (E)-3-((1H-Indol-3-yl)methylene)-5-((E)-3,4-dimethoxybenzylidene)-1-methylpiperidin-4-one (CAS 1370032-19-1)
- 2-(4-(Trifluoromethoxy)phenyl)propanoic acid (CAS 902837-63-2)
- 2-((N-(4-Chlorophenyl)furan-2-carboxamido)oxy)ethyl acetate (CAS 51639-87-3)
- 3-Fluoro-2-methoxy-6-methylpyridine (CAS 375368-80-2)
- 2,5-Dichloro-3-nitrobenzoic acid (CAS 88-86-8)
- (5,6,7,8-Tetrahydroindolizin-8-yl)methanamine (CAS 908103-37-7)
- 4-Iodo-3-nitro-5-(trifluoromethyl)-1H-pyrazole (CAS 1354703-44-8)
- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
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