(E)-3-(4-Hydroxyphenyl)acrylaldehyde CAS 20711-53-9

Purity 97%+In StockPharmaceutical Standards
CAS No.20711-53-9
Molecular FormulaC9H8O2
Molecular Weight148.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-3-(4-Hydroxyphenyl)acrylaldehyde CAS 20711-53-9 chemical structure

Description

The occurrence of (E)-3-(4-Hydroxyphenyl)acrylaldehyde is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(E)-3-(4-Hydroxyphenyl)acrylaldehyde (CAS 20711-53-9) is a high-purity analytical reference standard with the molecular formula C9H8O2 and a molecular weight of 148.16 g/mol.

Based on its molecular formula C9H8O2, (E)-3-(4-Hydroxyphenyl)acrylaldehyde contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 148.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).

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.

As a certified reference material (CRM), (E)-3-(4-Hydroxyphenyl)acrylaldehyde 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 FormulaC9H8O2
Molecular Weight148.16 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962

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