2,7-Bis(4-aminophenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone CAS 49546-11-4
| CAS No. | 49546-11-4 |
| Molecular Formula | C26H16N4O4 |
| Molecular Weight | 448.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2,7-Bis(4-aminophenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (CAS 49546-11-4), molecular formula C26H16N4O4 and molecular weight 448.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,7-Bis(4-aminophenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (C26H16N4O4) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 448.43 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2,7-Bis(4-aminophenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone 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 | C26H16N4O4 |
| Molecular Weight | 448.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- 2,7-Bis(pyridin-4-ylmethyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (CAS 34151-51-4)
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