4,4''-Diethoxy-5'-(4-ethoxyphenyl)-1,1':3',1''-terphenyl CAS 7509-23-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7509-23-1 |
| Molecular Formula | C30H30O3 |
| Molecular Weight | 438.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4,4''-Diethoxy-5'-(4-ethoxyphenyl)-1,1':3',1''-terphenyl (CAS 7509-23-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C30H30O3. Molecular weight: 438.56 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C30H30O3 |
| Molecular Weight | 438.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Related Diethoxy Standards
- 2,2'-Diethoxy-[1,1'-binaphthalene]-4,4',6,6'-tetracarbonitrile (CAS 1255791-66-2)
- 3-(4,5-Diethoxy-2-nitrobenzylidene)-5-methyldihydrofuran-2(3H)-one (CAS 94066-88-3)
- N-(2,5-Diethoxy-4-morpholinophenyl)-2-(methylthio)nicotinamide (CAS 785813-05-0)
- Diethoxy-phosphorylethyl-PEG5-ethylphosphonic acid (CAS 1446282-17-2)
- 15,15-Diethoxy-2,2-dimethyl-3,16-dioxa-2,15-disilaoctadecane (CAS 75389-03-6)
- 2,5-Diethoxy-N-(2-(3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)benzenesulfonamide (CAS 921831-92-7)
- 1-((2,5-Diethoxy-4-methylphenyl)sulfonyl)-4-methyl-2-phenyl-1H-imidazole (CAS 898654-86-9)
- 2,4-Diethoxy-5-fluoropyrimidine (CAS 155-36-2)
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