Description

Benzo[B]Thiophene-6-Carboxylic Acid, 2-Amino-3-Benzoyl-4,5,6,7-Tetrahydro-, Ethyl Ester is a high-purity, synthetically valuable heterocyclic organic compound. This specialty chemical serves as a critical advanced pharmaceutical intermediate and a versatile building block in complex organic synthesis. It is primarily required by research institutions and industrial manufacturers engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting the central nervous system (CNS) and other therapeutic areas.
• Agrochemical Research: Used as a building block for developing new pesticides, herbicides, and fungicides with enhanced efficacy.
• Organic Synthesis: Serves as a versatile scaffold for constructing complex polycyclic and fused-ring molecular architectures in academic and industrial R&D.
• Material Science: Potential intermediate in the synthesis of organic semiconductors, dyes, and photoresist materials.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects and scale-up production.

Basic Information

Product Name	Benzo[B]Thiophene-6-Carboxylic Acid, 2-Amino-3-Benzoyl-4,5,6,7-Tetrahydro-, Ethyl Ester
CAS No.	332135-37-2
Molecular Formula	C18H19NO3S
Molecular Weight	329.41 g/mol
Synonyms	2-Amino-3-benzoyl-4,5,6,7-tetrahydrobenzo[b]thiophene-6-carboxylic acid ethyl ester; Ethyl 2-amino-3-benzoyl-4,5,6,7-tetrahydro-1-benzothiophene-6-carboxylate; 4,5,6,7-Tetrahydro-2-amino-3-benzoylbenzo[b]thiophene-6-carboxylic Acid Ethyl Ester; 2-Amino-3-benzoyl-4,5,6,7-tetrahydrobenzo[b]thiophene-6-carboxylate ethyl ester; 6-Ethoxycarbonyl-2-amino-3-benzoyl-4,5,6,7-tetrahydrobenzo[b]thiophene
EINECS	Contact for details

Quality Control

Our production of Benzo[B]Thiophene-6-Carboxylic Acid, 2-Amino-3-Benzoyl-4,5,6,7-Tetrahydro-, Ethyl Ester adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each 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 place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.