Description

2-Amino-4,5,6,7-Tetrahydro-Benzo[B]Thiophene-3-Carboxylic Acid sec-Butyl Ester is a high-value, functionalized heterocyclic building block. This compound matters for its role as a critical intermediate in the synthesis of complex organic molecules, particularly in pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors seeking to construct novel thiophene-based scaffolds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) targeting various therapeutic areas.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides with thiophene moieties.
• Material Science: Serves as a building block for organic semiconductors, conductive polymers, and advanced organic electronic materials.
• Chemical Synthesis: Employed in organic synthesis for the construction of complex polycyclic structures and functionalized heterocycles.
• Dye & Pigment Industry: Acts as an intermediate for synthesizing specialized dyes and pigments.
• Academic & Institutional Research: Utilized in universities and research institutes for methodological studies and novel compound library generation.

Basic Information

Item	Details
Product Name	2-Amino-4,5,6,7-Tetrahydro-Benzo[B]Thiophene-3-Carboxylic Acid sec-Butyl Ester
CAS No.	438220-75-8
Molecular Formula	C13H19NO2S
Molecular Weight	253.36 g/mol
Synonyms	2-Amino-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid sec-butyl ester; sec-Butyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate; 2-Amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid 1-methylpropyl ester; 4,5,6,7-Tetrahydro-2-aminobenzo[b]thiophene-3-carboxylic acid sec-butyl ester; CAS 438220-75-8
EINECS	Contact for details

Quality Control

Our 2-Amino-4,5,6,7-Tetrahydro-Benzo[B]Thiophene-3-Carboxylic Acid sec-Butyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.