Description

1-Benzothiophen-3(2H)-One is a versatile heterocyclic organic compound that serves as a critical synthetic intermediate in advanced chemical manufacturing. Its unique benzothiophene core structure makes it a valuable building block for the development of pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for research and production chemists in the pharmaceutical, agrochemical, and material science industries seeking to create novel compounds with specific electronic or biological properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those targeting central nervous system and metabolic disorders.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic scaffold.
• Organic Electronic Materials: Serves as a building block for organic semiconductors, charge-transport materials, and light-emitting compounds in OLED and OPV research.
• Dye and Pigment Manufacturing: Acts as an intermediate for synthesizing specialized dyes, pigments, and fluorescent markers.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create novel ligands for catalytic systems.
• Research & Development: A fundamental reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	1-Benzothiophen-3(2H)-One
CAS No.	130-03-0
Molecular Formula	C8H6OS
Molecular Weight	150.20 g/mol
Synonyms	3-Hydroxybenzo[b]thiophene; 3-Oxo-2,3-dihydro-1-benzothiophene; 1-Benzothiophen-3-ol; 3-Hydroxy-1-benzothiophene; 2,3-Dihydro-1-benzothiophen-3-one; 3-Hydroxybenzothiophene; 3-Oxo-2,3-dihydrobenzo[b]thiophene; Benzo[b]thiophen-3(2H)-one
EINECS	204-976-4

Quality Control

Our 1-Benzothiophen-3(2H)-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, residual solvent analysis, and identity confirmation (IR, NMR). Certificates of Analysis (COA) detailing all specifications and test results are provided with every shipment to support your quality assurance and regulatory compliance needs.

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 structure
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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