Description

Methyl 2-Aminobenzo[B]Thiophene-3-Carboxylate is a high-purity, heterocyclic organic building block of significant importance in advanced chemical synthesis. This compound serves as a critical intermediate for the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by R&D chemists and process development scientists for constructing novel active pharmaceutical ingredients (APIs) and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those with benzothiophene cores, for therapeutic areas such as oncology and CNS disorders.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science Research: Serves as a building block for organic electronic materials, including organic semiconductors and light-emitting materials.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments due to the aminobenzo[b]thiophene scaffold.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and for scaling up novel synthetic routes.

Basic Information

Product Name	Methyl 2-Aminobenzo[B]Thiophene-3-Carboxylate
CAS No.	92539-88-3
Molecular Formula	C10H9NO2S
Molecular Weight	207.25 g/mol
Synonyms	2-Amino-3-methoxycarbonylbenzo[b]thiophene; Methyl 2-aminobenzo[b]thiophene-3-carboxylate; 2-Aminobenzo[b]thiophene-3-carboxylic acid methyl ester; 3-Methoxycarbonyl-2-aminobenzo[b]thiophene; 2-Amino-3-(methoxycarbonyl)benzo[b]thiophene; Benzo[b]thiophene-3-carboxylic acid, 2-amino-, methyl ester; 92539-88-3
EINECS	Contact for details

Quality Control

Our Methyl 2-Aminobenzo[B]Thiophene-3-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, supporting 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 place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect product stability and performance.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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