(2E)-3-(2H-1,3-Benzodioxol-5-yl)-1-(4-ethoxyphenyl)prop-2-en-1-one CAS 1689543-96-1
| CAS No. | 1689543-96-1 |
| Molecular Formula | C18H16O4 |
| Molecular Weight | 296.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2E)-3-(2H-1,3-Benzodioxol-5-yl)-1-(4-ethoxyphenyl)prop-2-en-1-one (CAS 1689543-96-1), molecular formula C18H16O4 and molecular weight 296.32 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2E)-3-(2H-1,3-Benzodioxol-5-yl)-1-(4-ethoxyphenyl)prop-2-en-1-one (C18H16O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 296.32 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), (2E)-3-(2H-1,3-Benzodioxol-5-yl)-1-(4-ethoxyphenyl)prop-2-en-1-one 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 | C18H16O4 |
| Molecular Weight | 296.32 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
Recommended Standards
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- 6-(Difluoromethyl)indoline-2,3-dione (CAS 1344904-59-1)
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- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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