(Z)-4-((4-Ethoxyphenyl)amino)-4-oxobut-2-enoic acid CAS 51992-13-3

Purity 97%+In StockPharmaceutical Standards
CAS No.51992-13-3
Molecular FormulaC12H13NO4
Molecular Weight235.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(Z)-4-((4-Ethoxyphenyl)amino)-4-oxobut-2-enoic acid CAS 51992-13-3 chemical structure

Description

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.

(Z)-4-((4-Ethoxyphenyl)amino)-4-oxobut-2-enoic acid (CAS 51992-13-3) is a high-purity analytical reference standard with the molecular formula C12H13NO4 and a molecular weight of 235.24 g/mol.

Based on its molecular formula C12H13NO4, (Z)-4-((4-Ethoxyphenyl)amino)-4-oxobut-2-enoic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 235.24 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).

CATO manufactures (Z)-4-((4-Ethoxyphenyl)amino)-4-oxobut-2-enoic acid 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 FormulaC12H13NO4
Molecular Weight235.24 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1971
Nitrogen Atoms1

Related Z Standards

Recommended Standards

Why CATO?