4,4'-(Benzo[c][1,2,5]selenadiazole-4,7-diyl)dibenzoicacid CAS 1862239-04-0
| CAS No. | 1862239-04-0 |
| Molecular Formula | C20H12N2O4Se |
| Molecular Weight | 423.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,4'-(Benzo[c][1,2,5]selenadiazole-4,7-diyl)dibenzoicacid 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.
4,4'-(Benzo[c][1,2,5]selenadiazole-4,7-diyl)dibenzoicacid (CAS 1862239-04-0), molecular formula C20H12N2O4Se and molecular weight 423.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,4'-(Benzo[c][1,2,5]selenadiazole-4,7-diyl)dibenzoicacid (C20H12N2O4Se) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 423.28 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H12N2O4Se |
| Molecular Weight | 423.28 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
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