4,4''-Diethynyl-3',4',5',6'-tetrakis(4-ethynylphenyl)-1,1':2',1''-terphenyl CAS 252238-71-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 252238-71-4 |
| Molecular Formula | C54H30 |
| Molecular Weight | 678.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4''-Diethynyl-3',4',5',6'-tetrakis(4-ethynylphenyl)-1,1':2',1''-terphenyl (CAS 252238-71-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C54H30. Molecular weight: 678.82 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C54H30 |
| Molecular Weight | 678.82 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 40.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Diethynyl Standards
- 1,4-Diethynyl-2,5-bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)benzene (CAS 444823-79-4)
- 1,4-Diethynyl-2,5-bis(octyloxy)benzene (CAS 153033-27-3)
- 4,4''-Diethynyl-5'-(4-ethynylphenyl)-1,1':3',1''-terphenyl (CAS 71866-86-9)
- 2,2'-((((2,5-Diethynyl-1,4-phenylene)bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) (CAS 321673-10-3)
- 1,4-Diethynyl-2,5-bis(hexyloxy)benzene (CAS 128424-37-3)
- 15,16-Diethynyl-2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine (CAS 680573-26-6)
- 3,6-Diethynyl-9-(4-ethynylphenyl)-9H-carbazole (CAS 952308-20-2)
- 2-(2-(2-(2,5-Diethynyl-4-methoxyphenoxy)ethoxy)ethoxy)ethanol (CAS 842120-08-5)
Recommended Standards
- 1,3,5-Tri(pyren-1-yl)benzene (CAS 349666-25-7)
- Difelikefalin Impurity 34 (CAS CATO-C4X-304134)
- 2-(o-Ethoxy)-4,5-diphenylimidazole-1,2'-dimer (CAS 1842-62-2)
- 4-Fluoro-2-(1-methyl-1H-pyrazol-5-yl)phenol (CAS 771483-74-0)
- Isoquinoline-3-carboximidamide hydrochloride (CAS 1179362-42-5)
- 6-Methoxyoxindole (CAS 7699-19-6)
- Methyl 2-(chloromethyl)-1,3-benzoxazole-6-carboxylate (CAS 937601-76-8)
- 4-(1',5'-dimethyl-1H,1'H-3,4'-bipyrazol-1-yl)aniline,HCl (CAS 1431965-14-8)
- 3-Bromo-5-((4-ethylpiperazin-1-yl)sulfonyl)pyridine-4-thiol (CAS 1352508-03-2)
- Tetrapeptide-3 (CAS 827306-97-8)
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