Description

(E)-Ethyl3-(4-Bromothiophen-2-Yl)Acrylate(Wx191822) is a high-purity, functionalized acrylate ester building block featuring a bromothiophene moiety, with CAS number 945589-08-2. This compound is a critical intermediate for synthesizing advanced materials and active pharmaceutical ingredients (APIs) due to its reactive α,β-unsaturated ester group and halogenated heterocyclic structure. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and organic electronics industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel small molecule drugs, particularly in kinase inhibitor and antiviral research.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Organic Semiconductor Precursor: Serves as a monomer or cross-linker in the production of conjugated polymers for OLEDs and organic photovoltaics.
• Material Science Research: Employed in creating functional polymers, liquid crystals, and advanced coatings with tailored properties.
• Cross-Coupling Reactions: The bromine atom makes it an excellent substrate for Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions.
• Academic & Industrial R&D: A versatile reagent for exploring new synthetic methodologies and heterocyclic chemistry.

Basic Information

Product Name	(E)-Ethyl3-(4-Bromothiophen-2-Yl)Acrylate(Wx191822)
CAS No.	945589-08-2
Molecular Formula	C9H9BrO2S
Molecular Weight	261.14 g/mol
Synonyms	Ethyl (2E)-3-(4-Bromo-2-thienyl)-2-propenoate; (E)-Ethyl 3-(4-Bromothiophen-2-yl)acrylate; trans-Ethyl 3-(4-Bromothiophen-2-yl)acrylate; 2-Propenoic acid, 3-(4-bromo-2-thienyl)-, ethyl ester, (2E)-; Ethyl 3-(4-Bromothiophen-2-yl)propenoate; Wx191822; 4-Bromothiophene-2-acrylic acid ethyl ester
EINECS	Contact for details

Quality Control

Every batch of (E)-Ethyl3-(4-Bromothiophen-2-Yl)Acrylate undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our quality management system is designed to meet the stringent requirements of research and scale-up applications. Certificates of Analysis (COA) detailing purity, chromatographic data, and physical properties are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 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.