2,3-Diphenylquinoxalin-5-amine CAS 32044-95-4
| CAS No. | 32044-95-4 |
| Molecular Formula | C20H15N3 |
| Molecular Weight | 297.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 297.35 g/mol gives 2,3-Diphenylquinoxalin-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,3-Diphenylquinoxalin-5-amine (CAS 32044-95-4), molecular formula C20H15N3 and molecular weight 297.35 g/mol, is a CATO reference standard with documented purity and traceability.
2,3-Diphenylquinoxalin-5-amine (C20H15N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), 2,3-Diphenylquinoxalin-5-amine 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 | C20H15N3 |
| Molecular Weight | 297.35 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.) | 1966 |
| Nitrogen Atoms | 3 |
Related Diphenylquinoxalin Standards
Recommended Standards
- 2,3,3-Triphenylacrylonitrile (CAS 7136-23-4)
- 2,4-Dimethyl-7-(naphthalen-2-yl)pyrrolo[1,2-a]pyrimidine-8-carbonitrile (CAS 338400-99-0)
- 2-(Tert-butyl) 6-ethyl (1S,5R)-7-oxo-2-azabicyclo[3.2.1]octane-2,6-dicarboxylate (CAS 2783976-53-2)
- 2,4-Diphenylquinolin-6-ol (CAS 5855-62-9)
- Ethyl 3-chloro-2-fluorobenzoate (CAS 773135-55-0)
- Ethyl 6,7-dihydro-5H-cyclopenta[b]pyridine-4-carboxylate (CAS 126814-05-9)
- 2-Amino-4-(pyridin-4-yl)thiophene-3-carboxylic acid (CAS 1823321-58-9)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-phenoxyphenyl)acetamide (CAS 578753-06-7)
- N-((3-methoxybenzyl)oxy)hydrazinecarboxamide (CAS 885951-49-5)
- 2-(Cyclopentyloxy)ethane-1-sulfonamide (CAS 1342694-32-9)
- deuterio (2R)-2,3,3,3-tetradeuterio-2-(dideuterioamino)propanoate (CAS 2483831-62-3)
- (3S)-1-(2-Aminopyridin-4-yl)-3-cyclopropyl-2-oxopyrrolidine-3-carbonitrile (CAS 1649463-89-7)
- Allyl 2-cyanoacrylate (CAS 7324-02-9)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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