Description

5-Methoxy-3H-Benzo[B]Thiophen-2-One is a high-purity, synthetically valuable heterocyclic building block. This compound is a key intermediate in the synthesis of complex organic molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced materials. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for its versatile reactivity and structural framework.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting the central nervous system (CNS) or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport or emissive layer materials in advanced display technologies.
• Material Science Research: Employed in the creation of novel polymers, ligands for catalysis, and other functional organic materials.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and for exploring new synthetic pathways.

Basic Information

Product Name	5-Methoxy-3H-Benzo[B]Thiophen-2-One
CAS No.	18926-46-0
Molecular Formula	C9H8O2S
Molecular Weight	180.22 g/mol
Synonyms	5-Methoxybenzo[b]thiophen-2(3H)-one; 5-Methoxy-2-benzothiophenone; 5-Methoxy-2-oxo-2,3-dihydrobenzo[b]thiophene; 2(3H)-Benzothiophenone, 5-methoxy-; 5-Methoxy-3H-benzo[b]thiophen-2-one; 5-Methoxy-2,3-dihydro-1-benzothiophen-2-one
EINECS	Contact for details

Quality Control

Our 5-Methoxy-3H-Benzo[B]Thiophen-2-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets the stringent requirements of our global clientele. A Certificate of Analysis (COA) detailing all specifications 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 room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
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.