Description

5-tert-Butyl 2-Ethyl 6,7-Dihydrothieno[3,2-C]Pyridine-2,5(4H)-Dicarboxylate is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound is critical for the synthesis of active pharmaceutical ingredients (APIs) targeting specific therapeutic pathways. It is primarily required by research institutions and pharmaceutical manufacturers engaged in the development of novel small-molecule drugs.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular research.
• Chemical Synthesis: Used in complex organic synthesis for constructing fused thienopyridine ring systems, which are valuable scaffolds in medicinal chemistry.
• Research & Development: Serves as a critical reference standard and starting material in academic and industrial R&D labs for studying structure-activity relationships (SAR).
• Process Chemistry: Employed in scale-up and optimization studies for the commercial production of target APIs.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects.

Basic Information

Product Name	5-tert-Butyl 2-Ethyl 6,7-Dihydrothieno[3,2-C]Pyridine-2,5(4H)-Dicarboxylate
CAS No.	623564-30-7
Molecular Formula	C15H21NO4S
Molecular Weight	311.40 g/mol
Synonyms	5-tert-Butyl 2-ethyl 4,6,7-trihydrothieno[3,2-c]pyridine-2,5-dicarboxylate; Ethyl 5-[(1,1-dimethylethoxy)carbonyl]-4,6,7-trihydrothieno[3,2-c]pyridine-2-carboxylate; 2-Ethyl 5-tert-butyl 6,7-dihydro-4H-thieno[3,2-c]pyridine-2,5-dicarboxylate; 5-tert-Butyl 2-ethyl 4H,6H,7H-thieno[3,2-c]pyridine-2,5-dicarboxylate; CAS 623564-30-7
EINECS	Contact for details

Quality Control

Our 5-tert-Butyl 2-Ethyl 6,7-Dihydrothieno[3,2-C]Pyridine-2,5(4H)-Dicarboxylate 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) with detailed specifications are provided to guarantee compliance with your research or cGMP-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to minimize exposure to moisture.

Specification

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

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