Description

2-Amino-4,7-Dihydro-5H-Thieno[2,3-C]Pyran-3-Carboxylic Acid Ethyl Ester is a high-value, heterocyclic organic building block featuring a fused thienopyran core, essential for advanced synthetic chemistry. Its unique molecular architecture, combining amino and ester functionalities, makes it a critical intermediate for constructing complex pharmacophores and functional materials. This compound is primarily sought by research institutions and pharmaceutical developers engaged in medicinal chemistry, particularly for the synthesis of novel therapeutic agents and specialized fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Medicinal Chemistry Research: Used extensively in lead optimization and structure-activity relationship (SAR) studies to develop new bioactive molecules.
• Organic Synthesis Building Block: Employed in the construction of complex heterocyclic frameworks due to its reactive amino and ester groups.
• Agrochemical Development: Potential intermediate in the research and development of new active ingredients for crop protection.
• Material Science Research: Investigated for the development of organic semiconductors or specialty polymers with unique electronic properties.
• Academic & Contract Research: Utilized in university laboratories and CROs (Contract Research Organizations) for exploratory chemical synthesis.

Basic Information

Product Name	2-Amino-4,7-Dihydro-5H-Thieno[2,3-C]Pyran-3-Carboxylic Acid Ethyl Ester
CAS No.	117642-16-7
Molecular Formula	C11H13NO3S
Molecular Weight	239.29 g/mol
Synonyms	Ethyl 2-Amino-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylate; 2-Amino-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid ethyl ester; 5H-Thieno[2,3-c]pyran-3-carboxylic acid, 2-amino-4,7-dihydro-, ethyl ester; 117642-16-7; Ethyl 2-amino-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate; 2-Amino-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylate ethyl ester
EINECS	Contact for details

Quality Control

Our 2-Amino-4,7-Dihydro-5H-Thieno[2,3-C]Pyran-3-Carboxylic Acid Ethyl Ester is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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