1-{[1,1'-biphenyl]-4-yl}-2-{[5-(2-{[1,1'-biphenyl]-4-yl}-2-oxoethoxy)naphthalen-1-yl]oxy}ethan-1-one CAS 439095-21-3
| CAS No. | 439095-21-3 |
| Molecular Formula | C38H28O4 |
| Molecular Weight | 548.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-{[1,1'-biphenyl]-4-yl}-2-{[5-(2-{[1,1'-biphenyl]-4-yl}-2-oxoethoxy)naphthalen-1-yl]oxy}ethan-1-one (CAS 439095-21-3), molecular formula C38H28O4 and molecular weight 548.63 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 1-{[1,1'-biphenyl]-4-yl}-2-{[5-(2-{[1,1'-biphenyl]-4-yl}-2-oxoethoxy)naphthalen-1-yl]oxy}ethan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 548.63 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-{[1,1'-biphenyl]-4-yl}-2-{[5-(2-{[1,1'-biphenyl]-4-yl}-2-oxoethoxy)naphthalen-1-yl]oxy}ethan-1-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C38H28O4 |
| Molecular Weight | 548.63 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) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related biphenyl Standards
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- 5,5''-Di([1,1'-biphenyl]-4-yl)-2,2':5',2''-terthiophene (CAS 256342-43-5)
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- 1,1'-([1,1'-Biphenyl]-4,4'-diyl)bis(2,2-dibromoethan-1-one) (CAS 28179-17-1)
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- N-([1,1'-Biphenyl]-2-yl)-2-((4-(4-bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477330-39-5)
Recommended Standards
- (S,S)-ICG 001 (CAS 847591-62-2)
- Tris(4-(pyridin-4-ylethynyl)phenyl)amine (CAS 359647-66-8)
- (6S,9aS)-N-Benzyl-6-(4-hydroxybenzyl)-8-(naphthalen-1-ylmethyl)-4,7-dioxohexahydro-2H-pyrazino[1,2-a]pyrimidine-1(6H)-carboxamide (CAS 780757-88-2)
- (+)-(18-Crown-6)-2,3,11,12-tetracarboxamide 57207-22-4 [2R-(2R*,3R*,11R*,12R*)]-N,N,N',N',N'',N'',N''',N'''-Octamethyl-1,4,7,10,13,16-hexaoxacyclooctadecane-2,3,11,12-tetracarboxamide (CAS 57207-22-4)
- methyl 1-cyclohexylazetidine-2-carboxylate (CAS 18085-36-4)
- methyl 2-methyl-2H-indazole-5-carboxylate (CAS 1092351-86-4)
- 1,1,3,3,5,5,7,7,9,9-Decamethylpentasiloxane (CAS 995-83-5)
- Dexamethasone impurity 89 (CAS CATO-C4X-116589)
- N1-(2,6-Dimethylpyrimidin-4-yl)-N2,N2-diethylethane-1,2-diamine (CAS 811868-36-7)
- 5-Chloroimidazo[1,2-a]pyridine-3-carbaldehyde (CAS 198895-50-0)
- Dimethyl 2-(bromomethyl)-[1,1'-biphenyl]-4,4'-dicarboxylate (CAS 1186048-29-2)
- Methyl 2-(4-bromo-3-methylphenyl)hydrazinecarboxylate (CAS 1934470-81-1)
- 5-(1-Methyl-1h-pyrazol-4-yl)pyridine-3-carboxylic acid (CAS 1055971-67-9)
- Semaglutide-d15 (CAS 910463-68-2(non-labelled))
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