3-[(E)-1-Nitro-2-(phenylamino)ethenyl]-1,3-dihydro-2-benzofuran-1-one CAS 338753-92-7
| CAS No. | 338753-92-7 |
| Molecular Formula | C16H12N2O4 |
| Molecular Weight | 296.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[(E)-1-Nitro-2-(phenylamino)ethenyl]-1,3-dihydro-2-benzofuran-1-one (C16H12N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-[(E)-1-Nitro-2-(phenylamino)ethenyl]-1,3-dihydro-2-benzofuran-1-one (CAS 338753-92-7), molecular formula C16H12N2O4 and molecular weight 296.28 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 3-[(E)-1-Nitro-2-(phenylamino)ethenyl]-1,3-dihydro-2-benzofuran-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H12N2O4 |
| Molecular Weight | 296.28 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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