Dimethyl4',5'-diethynyl-[1,1':2',1''-terphenyl]-4,4''-dicarboxylate CAS 1670924-15-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1670924-15-8 |
| Molecular Formula | C26H18O4 |
| Molecular Weight | 394.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Dimethyl4',5'-diethynyl-[1,1':2',1''-terphenyl]-4,4''-dicarboxylate (CAS 1670924-15-8) pharmaceutical standards reference standard. Molecular formula: C26H18O4. Molecular weight: 394.42 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C26H18O4 |
| Molecular Weight | 394.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related Dimethyl Standards
- 4,4'-((2,5-Dimethyl-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzoicacid (CAS 2098914-21-5)
- Ethyl 1-{5-[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl]-1,3-thiazol-2-yl}piperidine-4-carboxylate (CAS 923145-09-9)
- N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)quinoline-8-sulfonamide (CAS 296771-78-3)
- 2-[4,5-Dimethyl-2-(3-oxazol-2-yl-phenoxymethyl)-cyclohexa-1,4-dienyl]-3-methoxy-N-methyl-acrylamide (CAS 1230664-32-0)
- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-(2-(dimethylamino)ethoxy)benzamide (CAS 1853-99-2)
- 3-(9,9-Dimethyl-9H-fluoren-2-yl)fluoranthene (CAS 653590-65-9)
- (2,2-Dimethyl-1,3-dioxolan-4-yl)methyl (9Z,12Z)-octadeca-9,12-dienoate (CAS 127592-95-4)
- 1,2-Dimethyl-1,1,2,2-tetraphenyldisilane (CAS 1172-76-5)
Recommended Standards
- 9,10-Bis(3,5-dihydroxyphenyl)anthracene (CAS 153715-08-3)
- ((3AS,4R,6R,7R,7aS)-7-acetoxy-6-(benzyloxy)-2,2-dimethyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-4-yl)methyl acetate (CAS 16741-10-9)
- [1,1':4',1'':4'',1'''-Quaterphenyl]-4,4'''-dicarboxylic acid (CAS 143613-17-6)
- tert-Butyl(ethoxy)dimethylsilane (CAS 17348-65-1)
- 6-Amino-1-methyl-5-((2-(piperidin-1-yl)ethyl)amino)pyrimidine-2,4(1H,3H)-dione (CAS 1280595-98-3)
- Pregabalin Impurity 65 (CAS 869-02-3)
- (S)-Benzyl 2-(aminomethyl)piperidine-1-carboxylate hydrochloride (CAS 1217715-35-9)
- Atovaquone Impurity 4 (CAS 91161-85-2)
- (3AR,7aS)-tetrahydro-1H-indole-2,7(3H,7aH)-dione (CAS 115307-20-5)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
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