(2Z)-N-[4-(1H-1,3-Benzodiazol-2-yl)phenyl]-2-[(2,4-dimethoxyphenyl)imino]-8-methoxy-2H-chromene-3-carboxamide CAS 478343-05-4
| CAS No. | 478343-05-4 |
| Molecular Formula | C32H26N4O5 |
| Molecular Weight | 546.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 546.57 g/mol gives (2Z)-N-[4-(1H-1,3-Benzodiazol-2-yl)phenyl]-2-[(2,4-dimethoxyphenyl)imino]-8-methoxy-2H-chromene-3-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2Z)-N-[4-(1H-1,3-Benzodiazol-2-yl)phenyl]-2-[(2,4-dimethoxyphenyl)imino]-8-methoxy-2H-chromene-3-carboxamide (CAS 478343-05-4), molecular formula C32H26N4O5 and molecular weight 546.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C32H26N4O5, (2Z)-N-[4-(1H-1,3-Benzodiazol-2-yl)phenyl]-2-[(2,4-dimethoxyphenyl)imino]-8-methoxy-2H-chromene-3-carboxamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 546.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C32H26N4O5 |
| Molecular Weight | 546.57 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) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Recommended Standards
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- (2Z)-N-[4-(1H-1,3-Benzodiazol-2-yl)phenyl]-2-[(2,5-dimethoxyphenyl)imino]-8-methoxy-2H-chromene-3-carboxamide (CAS 478343-01-0)
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