Description

3-Methylbenzo[B]Thiophene-2-Carboxaldehyde is a versatile heterocyclic building block and key synthetic intermediate prized for its reactive aldehyde functionality fused to a benzothiophene core. This compound matters for enabling the synthesis of complex molecules in advanced research and development, offering a critical scaffold for creating novel materials and active compounds. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for applications ranging from drug discovery to organic electronics.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides, leveraging its heterocyclic structure for biological activity.
• Material Science Research: Acts as a building block for organic semiconductors, conductive polymers, and advanced organic materials due to its electron-rich benzothiophene unit.
• Dye and Pigment Chemistry: Employed in the synthesis of specialized dyes, pigments, and optical brighteners where the aldehyde group facilitates condensation reactions.
• Ligand and Catalyst Development: Utilized to create novel ligands for metal-organic frameworks (MOFs) and catalysts for asymmetric synthesis.
• Academic and Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cyclization and cross-coupling reactions.

Basic Information

Product Name	3-Methylbenzo[B]Thiophene-2-Carboxaldehyde
CAS No.	22053-74-3
Molecular Formula	C10H8OS
Molecular Weight	176.23 g/mol
Synonyms	3-Methylbenzo[b]thiophene-2-carboxaldehyde; 3-Methyl-1-benzothiophene-2-carboxaldehyde; 2-Formyl-3-methylbenzo[b]thiophene; 3-Methylbenzo[b]thiophene-2-carbaldehyde; 3-Methyl-2-benzothiophenecarboxaldehyde; 3-Methylbenzo[b]thiophene-2-carboxylic aldehyde; 3-Methyl-2-formylbenzo[b]thiophene
EINECS	Contact for details

Quality Control

Our 3-Methylbenzo[B]Thiophene-2-Carboxaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 compound is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.