Description

3-Methyl-2-Thiophenecarboxaldehyde is a versatile heterocyclic aldehyde building block, essential for synthesizing complex organic molecules. Its value lies in its unique thiophene core, which imparts distinct electronic and structural properties to target compounds, making it a critical intermediate for advanced research and industrial synthesis. This high-purity chemical is primarily needed by pharmaceutical R&D teams, agrochemical manufacturers, and material scientists developing functional polymers and electronic materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those with thiophene-based heterocyclic structures for therapeutic applications.
• Agrochemical Synthesis: Used in the development of novel pesticides, herbicides, and fungicides, where the thiophene moiety can enhance biological activity.
• Material Science & Organic Electronics: Serves as a building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and semiconductor materials.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for metal-organic frameworks (MOFs) and catalysts for asymmetric synthesis.
• Flavor & Fragrance Chemistry: Acts as an intermediate for creating sulfur-containing aroma compounds, contributing to complex flavor profiles.
• Dye & Pigment Manufacturing: Utilized in the synthesis of specialized dyes and pigments where the thiophene ring modifies color and light-fastness properties.

Basic Information

Product Name	3-Methyl-2-Thiophenecarboxaldehyde
CAS No.	5834-16-2
Molecular Formula	C6H6OS
Molecular Weight	126.18 g/mol
Synonyms	3-Methylthiophene-2-carboxaldehyde; 3-Methyl-2-formylthiophene; 2-Formyl-3-methylthiophene; 3-Methyl-2-thiophenecarbaldehyde; 3-Methylthiophene-2-carbaldehyde; 3-Methyl-2-thienylcarboxaldehyde
EINECS	227-424-4

Quality Control

Our 3-Methyl-2-Thiophenecarboxaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere for long-term storage. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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