Description

(E)-3-(5-Methyl-2-thienyl)-2-propenoic acid is a specialized organic compound featuring a thiophene ring system conjugated to an acrylic acid moiety. This unique structure makes it a valuable building block and intermediate in advanced organic synthesis, particularly for the development of novel materials and active pharmaceutical ingredients (APIs). It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and functional materials sectors for creating compounds with specific electronic or biological properties.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, especially those targeting neurological or inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, or plant growth regulators that incorporate the thiophene heterocycle.
• Organic Electronic Materials: Acts as a monomer or building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs) or organic photovoltaics (OPVs).
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal-organic frameworks (MOFs) or asymmetric catalysis.
• Fine Chemical Research: Utilized in academic and industrial laboratories for exploring new chemical reactions and synthesizing complex molecular architectures.
• Dye and Pigment Intermediate: Functions as a starting material for the synthesis of specialized dyes and pigments with unique coloristic properties.

Basic Information

Product Name	(E)-3-(5-Methyl-2-thienyl)-2-propenoic Acid
CAS No.	70329-36-1
Molecular Formula	C8H8O2S
Molecular Weight	168.21 g/mol
Synonyms	(E)-3-(5-Methylthiophen-2-yl)acrylic acid; trans-3-(5-Methyl-2-thienyl)propenoic acid; (E)-3-(5-Methyl-2-thienyl)acrylic acid; 2-Propenoic acid, 3-(5-methyl-2-thienyl)-, (E)-; 5-Methyl-2-thiopheneacrylic acid, (E)-; trans-5-Methyl-2-thiopheneacrylic acid; (E)-3-(5-Methyl-2-thienyl)propenoic acid
EINECS	Contact for details

Quality Control

Our (E)-3-(5-Methyl-2-thienyl)-2-propenoic acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.