Description

3-Thiophenecarboxaldehyde, 5-Ethyl-2-Methyl- (9Ci) is a specialized heterocyclic aldehyde building block with the CAS number 341008-55-7. This compound is valued for its unique molecular structure, which serves as a critical intermediate in the synthesis of complex organic molecules. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors. Its functional groups make it a versatile precursor for creating novel compounds with targeted biological or material properties.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting the central nervous system or possessing anti-inflammatory properties.
• Agrochemical Research: Used in the development of new pesticides, herbicides, and fungicides, leveraging the thiophene ring's bioactivity.
• Material Science: Serves as a monomer or precursor in the production of conductive polymers, organic semiconductors, and advanced organic electronic materials.
• Organic Synthesis: A versatile reagent for constructing complex heterocyclic frameworks, including fused ring systems, via reactions like condensation, cyclization, and cross-coupling.
• Ligand and Catalyst Development: Utilized in the preparation of novel ligands for metal catalysis and organocatalysts due to its aldehyde functionality and electron-rich thiophene core.
• Flavor and Fragrance Chemistry: Acts as a precursor for synthesizing sulfur-containing aroma compounds, contributing to complex scent profiles.

Basic Information

Product Name	3-Thiophenecarboxaldehyde, 5-Ethyl-2-Methyl- (9Ci)
CAS No.	341008-55-7
Molecular Formula	C8H10OS
Molecular Weight	154.23 g/mol
Synonyms	5-Ethyl-2-methylthiophene-3-carboxaldehyde; 5-Ethyl-2-methyl-3-thiophenecarboxaldehyde; 2-Methyl-5-ethyl-3-thiophenecarbaldehyde; 3-Formyl-5-ethyl-2-methylthiophene; 5-Ethyl-2-methyl-3-formylthiophene; 2-Methyl-5-ethylthiophene-3-carbaldehyde
EINECS	Contact for details

Quality Control

Our production of 3-Thiophenecarboxaldehyde, 5-Ethyl-2-Methyl- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure consistency and meet the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is easily oxidized and should be handled under an inert atmosphere for long-term storage or when opening a new container to maintain purity and stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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