Description

(3E)-4-(3-Methoxyphenyl)But-3-En-2-One is a high-purity, light-sensitive organic compound with the CAS number 20766-31-8. This α,β-unsaturated ketone serves as a versatile and valuable synthetic intermediate in advanced organic chemistry. It is primarily sought after by research and development chemists in the pharmaceutical and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing a chalcone or diarylpropane core.
• Fine Chemical Synthesis: Used in the production of specialty chemicals, flavors, and fragrances due to its reactive enone functionality.
• Agrochemical Research: Employed as a precursor in developing novel crop protection agents and pesticides.
• Material Science: Acts as a monomer or cross-linking agent in the research of advanced polymers and functional materials.
• Academic & Industrial R&D: A crucial reagent for methodological development in organic synthesis, including Michael additions and cyclization reactions.

Basic Information

Product Name	(3E)-4-(3-Methoxyphenyl)But-3-En-2-One
CAS No.	20766-31-8
Molecular Formula	C11H12O2
Molecular Weight	176.21 g/mol
Synonyms	(E)-4-(3-Methoxyphenyl)but-3-en-2-one; 3'-Methoxychalcone; (E)-1-(3-Methoxyphenyl)-3-buten-2-one; 3-Methoxybenzylideneacetone; (E)-3-(3-Methoxyphenyl)-1-propenyl methyl ketone; 3-Methoxycinnamyl methyl ketone; 20766-31-8
EINECS	Contact for details

Quality Control

Our (3E)-4-(3-Methoxhenyl)But-3-En-2-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.