1,2-Di(pyridin-4-yl)ethane-1,2-dione CAS 95195-42-9
| CAS No. | 95195-42-9 |
| Molecular Formula | C12H8N2O2 |
| Molecular Weight | 212.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H8N2O2, 1,2-Di(pyridin-4-yl)ethane-1,2-dione contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 212.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
1,2-Di(pyridin-4-yl)ethane-1,2-dione (CAS 95195-42-9) is a high-purity analytical reference standard with the molecular formula C12H8N2O2 and a molecular weight of 212.20 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1,2-Di(pyridin-4-yl)ethane-1,2-dione 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 | C12H8N2O2 |
| Molecular Weight | 212.20 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
Related Di Standards
- 1-(Pyridin-2-yl)-2-(pyridin-3-yl)ethane-1,2-dione (CAS 95195-43-0)
- 1,2-Di(pyridin-3-yl)ethane-1,2-dione (CAS 35779-39-6)
- 3-(Pyridin-4-yl)-5-(1H-pyrrol-2-yl)-1,2,4-oxadiazole (CAS 1060943-83-0)
- 2-(Pyridin-4-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1351398-75-8)
- 2-(Pyridin-2-yl)pyrazolo[1,5-a]pyrazin-4-ol (CAS 1351800-32-2)
- 2-(Pyridin-3-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1710195-57-5)
- 1-(Pyridin-2-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 78657-43-9)
- 1-(Pyridin-4-yl)-1h-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 896135-01-6)
Recommended Standards
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- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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