| CAS No. | 6985-92-8 |
| Molecular Formula | C26H19N5O5 |
| Molecular Weight | 481.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Based on its molecular formula C26H19N5O5, 2-((3-(((2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)amino)-carbonyl)-2-hydroxy-1-naphthalenyl)-azo)-benzoicacid methylester contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 481.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-((3-(((2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)amino)-carbonyl)-2-hydroxy-1-naphthalenyl)-azo)-benzoicacid methylester (CAS 6985-92-8), molecular formula C26H19N5O5 and molecular weight 481.46 g/mol, is a CATO reference standard with documented purity and traceability.
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-(((2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)amino)-carbonyl)-2-hydroxy-1-naphthalenyl)-azo)-benzoicacid methylester 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.
| Molecular Formula | C26H19N5O5 |
| Molecular Weight | 481.46 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 5 |