4'-(Quinoxalin-2-yl)-[1,1'-biphenyl]-4-ol CAS 61538-78-1
| CAS No. | 61538-78-1 |
| Molecular Formula | C20H14N2O |
| Molecular Weight | 298.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4'-(Quinoxalin-2-yl)-[1,1'-biphenyl]-4-ol (CAS 61538-78-1), molecular formula C20H14N2O and molecular weight 298.34 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 4'-(Quinoxalin-2-yl)-[1,1'-biphenyl]-4-ol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 298.34 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.
CATO manufactures 4'-(Quinoxalin-2-yl)-[1,1'-biphenyl]-4-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H14N2O |
| Molecular Weight | 298.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 2 |
Related Quinoxalin Standards
- N-(3-(quinoxalin-2-yl)phenyl)methanesulfonamide (CAS 866131-53-5)
- Methyl 2-(quinoxalin-2-ylsulfanyl)benzoate (CAS 338394-69-7)
- 1-Methyl-3-(3-(quinoxalin-2-yl)phenyl)thiourea (CAS 866131-46-6)
- Ethyl 4-(quinoxalin-2-ylamino)benzoate (CAS 361390-39-8)
- N-[3-(Quinoxalin-2-yl)phenyl]cyclopropanecarboxamide (CAS 1192655-71-2)
- 2-(Quinoxalin-2-ylthio)ethane-1-sulfonyl chloride (CAS 1342703-53-0)
- Methyl 3-[(quinoxalin-2-ylsulfanyl)methyl]benzoate (CAS 285986-74-5)
- Ethyl 1-(quinoxalin-6-yl)piperidine-4-carboxylate (CAS 453557-64-7)
Recommended Standards
- 4'-(Dimethylamino)-5-hydroxy-6-(1H-1,2,4-triazol-1-yl)-1,6-dihydro-[1,1'-biphenyl]-3(2H)-one (CAS 685107-47-5)
- 4,5-Dihydroxy-1,3-dimethyl-4,5-diphenylimidazolidin-2-one (CAS 66242-64-6)
- 4-(4-(2-Methoxybenzyl)-5-methyl-4H-1,2,4-triazol-3-yl)-1-methyl-1H-pyrazol-5-amine (CAS 956964-69-5)
- 4,6-Dimethyl-2-{[(4-methylphenyl)carbamoyl]amino}pyridine-3-carboxamide (CAS 338975-97-6)
- cis-1-(3-Fluorophenyl)octahydropyrrolo[3,4-b]pyrrole (CAS 894854-12-7)
- 5-(2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid (CAS 57378-70-8)
- N-(4-((5-Benzamido-9,10-dioxo-9,10-dihydroanthracen-1-yl)amino)-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide (CAS 128-89-2)
- 4-Amino-2-(3-hydroxypyrrolidin-1-yl)pyrimidine-5-carboxylic acid (CAS 62122-77-4)
- Diethylene Glycol Monophenyl Ether (CAS 104-68-7)
- 4-(((5-(2-ethoxycarbonyl-1H-indol-5-yl)-1-methylpyrazole-3-carbonyl)amino)methyl)benzoic acid (CAS 1222173-37-6)
- 7-Chloro-4-cyclopentylthiazolo[5,4-b]pyridin-5(4H)-one (CAS 1956366-48-5)
- Ceritinib Impurity 36 (CAS CATO-C4X-104836)
- 2-Methyl-3-(4-methylpiperidin-1-yl)propanehydrazide (CAS 744243-56-9)
- Semaglutide impurity 103 (CAS 1446013-07-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com