(E)-4-(4-methoxyphenyl)-4-oxobut-2-enoic acid 3-(4-Methoxybenzoyl)acrylic acid 5711-41-1 CAS 5711-41-1

Purity 97%+In StockPharmaceutical Standards
CAS No.5711-41-1
Molecular FormulaC11H16O4
Molecular Weight212.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-4-(4-methoxyphenyl)-4-oxobut-2-enoic acid
3-(4-Methoxybenzoyl)acrylic acid
5711-41-1 CAS 5711-41-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 212.24 g/mol gives (E)-4-(4-methoxyphenyl)-4-oxobut-2-enoic acid 3-(4-Methoxybenzoyl)acrylic acid 5711-41-1 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(E)-4-(4-methoxyphenyl)-4-oxobut-2-enoic acid 3-(4-Methoxybenzoyl)acrylic acid 5711-41-1 (CAS 5711-41-1) is a high-purity analytical reference standard with the molecular formula C11H16O4 and a molecular weight of 212.24 g/mol.

Structurally, (E)-4-(4-methoxyphenyl)-4-oxobut-2-enoic acid 3-(4-Methoxybenzoyl)acrylic acid 5711-41-1 (C11H16O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 212.24 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).

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 FormulaC11H16O4
Molecular Weight212.24 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958

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