Description

Diethyl 6,7-Dihydrothieno[3,2-C]Pyridine-2,5(4H)-Dicarboxylate is a high-purity, advanced pharmaceutical intermediate of significant commercial importance. This heterocyclic compound serves as a critical building block in the synthesis of complex active pharmaceutical ingredients (APIs), enabling the development of novel therapeutic agents. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and fine chemical industries for its role in creating innovative drug candidates.

Application

• Key Intermediate in API Synthesis: A crucial precursor in the multi-step synthesis of complex pharmaceutical compounds, particularly those targeting the central nervous system.
• Pharmaceutical Research & Development: Used extensively in medicinal chemistry for the discovery and optimization of new drug molecules with potential therapeutic benefits.
• Fine Chemical Manufacturing: Employed in the production of specialty chemicals where high-purity, structurally complex intermediates are required.
• Contract Research Organizations (CROs): Supplied to CROs engaged in custom synthesis and process development for pharmaceutical clients.
• Academic Research: Utilized in university and institutional labs for studying heterocyclic chemistry and developing new synthetic methodologies.

Basic Information

Product Name	Diethyl 6,7-Dihydrothieno[3,2-C]Pyridine-2,5(4H)-Dicarboxylate
CAS No.	116119-00-7
Molecular Formula	C13H17NO4S
Molecular Weight	283.34 g/mol
Synonyms	Diethyl 4,5,6,7-tetrahydrothieno[3,2-c]pyridine-2,5-dicarboxylate; 2,5-Dicarboxylic acid, 4,5,6,7-tetrahydrothieno[3,2-c]pyridine, diethyl ester; 6,7-Dihydro-4H-thieno[3,2-c]pyridine-2,5-dicarboxylic acid diethyl ester; Ethyl 6,7-dihydro-4H-thieno[3,2-c]pyridine-2,5-dicarboxylate; Thienopyridine dicarboxylate ester; CAS 116119-00-7
EINECS	Contact for details

Quality Control

Our Diethyl 6,7-Dihydrothieno[3,2-C]Pyridine-2,5(4H)-Dicarboxylate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for pharmaceutical research. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to ICH guidelines for stability and impurity characterization, supporting our commitment to reliable and traceable supply for critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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