Description

3-Amino-Benzo[B]Thiophene-2-Carboxylic Acid Ethyl Ester is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound matters as a critical intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its fused thiophene core.
• Material Science Research: Serves as a building block for organic semiconductors, conductive polymers, and non-linear optical (NLO) materials due to its electron-rich thiophene structure.
• Dye and Pigment Chemistry: Employed in the synthesis of specialized dyes and pigments where the amino and ester functionalities allow for further derivatization.
• Chemical Biology Probes: Utilized as a scaffold for developing fluorescent tags or molecular probes for biological imaging and assay development.
• Academic & Contract Research: A valuable reagent for methodological studies in heterocyclic chemistry and new reaction pathway exploration.

Basic Information

Product Name	3-Amino-Benzo[B]Thiophene-2-Carboxylic Acid Ethyl Ester
CAS No.	34761-09-6
Molecular Formula	C11H11NO2S
Molecular Weight	221.28 g/mol
Synonyms	Ethyl 3-Aminobenzo[b]thiophene-2-carboxylate; 3-Amino-2-ethoxycarbonylbenzo[b]thiophene; 2-Carbethoxy-3-aminobenzo[b]thiophene; 3-Amino-2-(ethoxycarbonyl)benzo[b]thiophene; Ethyl 3-amino-1-benzothiophene-2-carboxylate; 3-Aminobenzo[b]thiophene-2-carboxylic acid ethyl ester; 2-Ethoxycarbonyl-3-aminobenzo[b]thiophene; 3-Amino-benzo[b]thiophene-2-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 3-Amino-Benzo[B]Thiophene-2-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality parameters. Our commitment to cGMP principles and ISO-aligned processes guarantees a reliable supply of high-purity material for your most demanding applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep the container tightly sealed to minimize contact with moisture and atmospheric oxygen.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
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.