Description

5,6,7,8-Tetrahydro-4H-Thieno[2,3-D]Azepine-2-Carboxylic Acid, Ethyl Ester is a high-purity, advanced pharmaceutical intermediate characterized by its unique fused heterocyclic structure. This compound is of significant value in medicinal chemistry for its role as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought after by research institutions and pharmaceutical manufacturers engaged in the development of central nervous system (CNS) and other therapeutic agents. Our supply ensures consistent quality and reliable availability for critical R&D and scale-up processes.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting neurological and psychiatric disorders.
• Medicinal Chemistry Research: Used as a versatile scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• API Development: Serves as a key building block in the multi-step synthesis of complex Active Pharmaceutical Ingredients (APIs).
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and process development for the pharmaceutical industry.
• Academic Research: Utilized in university and institutional labs for studying heterocyclic chemistry and developing new synthetic methodologies.

Basic Information

Product Name	5,6,7,8-Tetrahydro-4H-Thieno[2,3-D]Azepine-2-Carboxylic Acid, Ethyl Ester
CAS No.	83613-62-1
Molecular Formula	C11H15NO2S
Molecular Weight	225.31 g/mol
Synonyms	Ethyl 5,6,7,8-tetrahydro-4H-thieno[2,3-d]azepine-2-carboxylate; 4H-Thieno[2,3-d]azepine-2-carboxylic acid, 5,6,7,8-tetrahydro-, ethyl ester; Thienoazepine ethyl ester; 83613-62-1; Ethyl tetrahydrothienoazepinecarboxylate
EINECS	Contact for details

Quality Control

Our 5,6,7,8-Tetrahydro-4H-Thieno[2,3-D]Azepine-2-Carboxylic Acid, Ethyl Ester is manufactured under strict quality control protocols to meet the exacting standards of pharmaceutical development. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all specifications are provided to ensure full traceability and compliance with your internal quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat and incompatible materials. The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Individual impurity ≤ 0.5%
Total Impurities	≤ 2.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Water Content (KF)	≤ 0.5%

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