Description

Ethyl 3-Hydroxybenzo[B]Thiophene-2-Carboxylate is a high-purity organic compound belonging to the benzothiophene class, serving as a crucial synthetic intermediate. Its value lies in its functionalized structure, which provides a versatile scaffold for constructing more complex molecules in advanced chemical synthesis. This product is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients. The compound, with CAS number 5556-20-7, is supplied to meet the stringent demands of industrial-scale fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: A key building block 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 production of advanced pesticides and herbicides, leveraging the benzothiophene core for biological activity.
• Material Science Research: Acts as a precursor for organic electronic materials, such as semiconductors and light-emitting compounds.
• Dye and Pigment Manufacturing: Serves as an intermediate in the production of specialized dyes and functional pigments.
• Academic & Industrial R&D: Employed in chemical research laboratories for methodological studies and the development of new synthetic pathways.
• Custom Synthesis: A starting material for contract research organizations (CROs) and CDMOs producing bespoke compounds for client projects.

Basic Information

Product Name	Ethyl 3-Hydroxybenzo[B]Thiophene-2-Carboxylate
CAS No.	5556-20-7
Molecular Formula	C11H10O3S
Molecular Weight	222.26 g/mol
Synonyms	Ethyl 3-Hydroxybenzo[B]Thiophene-2-Carboxylate; Ethyl 3-Hydroxy-1-benzothiophene-2-carboxylate; 3-Hydroxybenzo[B]thiophene-2-carboxylic Acid Ethyl Ester; 2-Carbethoxy-3-hydroxybenzo[B]thiophene; 3-Hydroxy-2-benzothiophenecarboxylic Acid Ethyl Ester; Benzo[B]thiophene-2-carboxylic acid, 3-hydroxy-, ethyl ester; Ethyl 3-hydroxy-2-benzothienecarboxylate
EINECS	226-905-5

Quality Control

Our Ethyl 3-Hydroxybenzo[B]Thiophene-2-Carboxylate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results from HPLC, NMR, and other relevant tests. Our quality commitment ensures the material is suitable for demanding applications in GMP-aligned synthesis and other critical industrial processes.

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). Keep away from heat, sparks, and open flame. The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.