Ethyl 2-((3-(1H-benzo[d]imidazol-2-yl)-2-oxo-2H-chromen-7-yl)oxy)acetate CAS 308297-74-7
| CAS No. | 308297-74-7 |
| Molecular Formula | C20H16N2O5 |
| Molecular Weight | 364.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 2-((3-(1H-benzo[d]imidazol-2-yl)-2-oxo-2H-chromen-7-yl)oxy)acetate.
Ethyl 2-((3-(1H-benzo[d]imidazol-2-yl)-2-oxo-2H-chromen-7-yl)oxy)acetate (CAS 308297-74-7), molecular formula C20H16N2O5 and molecular weight 364.35 g/mol, is a CATO reference standard with documented purity and traceability.
Ethyl 2-((3-(1H-benzo[d]imidazol-2-yl)-2-oxo-2H-chromen-7-yl)oxy)acetate (C20H16N2O5) 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. 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.
As a certified reference material (CRM), Ethyl 2-((3-(1H-benzo[d]imidazol-2-yl)-2-oxo-2H-chromen-7-yl)oxy)acetate 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 | C20H16N2O5 |
| Molecular Weight | 364.35 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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