Description

2-Methoxyethyl 2-Amino-4,5,6,7-Tetrahydrobenzo[B]Thiophene-3-Carboxylate is a high-purity, advanced pharmaceutical intermediate with the CAS registry number 351980-81-9. This compound is a critical building block in the synthesis of complex active pharmaceutical ingredients (APIs), valued for its precise molecular structure and reactivity. It is primarily utilized by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing novel therapeutic and crop protection agents.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular research.
• Agrochemical Synthesis: Serves as a core scaffold for developing new-generation herbicides and fungicides with targeted action.
• Organic Synthesis Building Block: Used in academic and industrial R&D for constructing complex heterocyclic compounds and fine chemicals.
• Material Science Research: Investigated for potential applications in creating specialty polymers and functional organic materials.

Basic Information

Product Name	2-Methoxyethyl 2-Amino-4,5,6,7-Tetrahydrobenzo[B]Thiophene-3-Carboxylate
CAS No.	351980-81-9
Molecular Formula	C₁₃H₁₉NO₃S
Molecular Weight	269.36 g/mol
Synonyms	2-Amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid 2-methoxyethyl ester; 2-Methoxyethyl 2-amino-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate; 2-Amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (2-methoxyethyl) ester; Ethylene glycol monomethyl ether 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate; CAS 351980-81-9
EINECS	Contact for details

Quality Control

Our 2-Methoxyethyl 2-Amino-4,5,6,7-Tetrahydrobenzo[B]Thiophene-3-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications. We support cGMP compliance for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.