Description

(3E)-4-(5-Methyl-2-Furyl)But-3-En-2-One is a high-purity, unsaturated ketone derivative featuring a furan ring, a versatile building block in advanced organic synthesis. This compound is valued for its role as a key chiral intermediate and flavor/fragrance precursor, offering significant utility in the production of complex molecules. It is primarily sought by R&D laboratories and manufacturers in the pharmaceutical, agrochemical, and specialty fragrance industries for developing new active ingredients and high-value aroma chemicals.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral synthon in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used as a building block for creating advanced pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance (F&F) Industry: Acts as a precursor for high-value aroma chemicals, contributing to complex, natural-identical flavor and fragrance profiles.
• Organic Synthesis & Research: A valuable reagent for academic and industrial R&D in heterocyclic and fine chemical synthesis.
• Material Science: Potential monomer or intermediate for developing specialized polymers and functional materials.

Basic Information

Product Name	(3E)-4-(5-Methyl-2-Furyl)But-3-En-2-One
CAS No.	66434-99-9
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	(E)-4-(5-Methylfuran-2-yl)but-3-en-2-one; 4-(5-Methyl-2-furyl)-3-buten-2-one; 3-Buten-2-one, 4-(5-methyl-2-furanyl)-, (3E)-; 5-Methyl-2-furylbutenone; (E)-4-(5-Methyl-2-furyl)-3-buten-2-one; FEMA 3604; (3E)-4-(5-Methyl-2-furanyl)-3-buten-2-one
EINECS	Contact for details

Quality Control

Our (3E)-4-(5-Methyl-2-Furyl)But-3-En-2-One is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications. Our quality commitment supports applications requiring high standards, including cGMP-compliant synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Isomeric Purity (GC)	≥ 99.0% (E-isomer)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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