Description

Thieno[3,2-C]Pyridine, 4,5,6,7-Tetrahydro-6,6-Dimethyl- (9Ci) is a high-purity, advanced pharmaceutical intermediate (API) with a unique fused heterocyclic structure. This compound is critical for the synthesis of novel active pharmaceutical ingredients (APIs) targeting complex therapeutic areas. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of new chemical entities (NCEs) and specialty fine chemicals. The compound, identified by CAS number 189019-57-6, offers a versatile scaffold for medicinal chemistry and process development.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and oncology research.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• Process Chemistry Development: Used in route scouting and scale-up studies for the production of advanced active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Intermediate for the preparation of complex heterocyclic compounds used in agrochemicals and material science.
• Contract Research & Manufacturing (CRAM): Supplied to CDMOs for custom synthesis projects requiring high-purity, specialized intermediates.

Basic Information

Product Name	Thieno[3,2-C]Pyridine, 4,5,6,7-Tetrahydro-6,6-Dimethyl- (9Ci)
CAS No.	189019-57-6
Molecular Formula	C9H13NS
Molecular Weight	167.27 g/mol
Synonyms	4,5,6,7-Tetrahydro-6,6-dimethylthieno[3,2-c]pyridine; 6,6-Dimethyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine; Thieno[3,2-c]pyridine, 4,5,6,7-tetrahydro-6,6-dimethyl-; 189019-57-6; 6,6-Dimethyl-6,7-dihydro-4H-thieno[3,2-c]pyridine
EINECS	Contact for details

Quality Control

Our Thieno[3,2-C]Pyridine, 4,5,6,7-Tetrahydro-6,6-Dimethyl- (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all critical quality attributes. We support development and commercial projects with material produced in compliance with cGMP guidelines for intermediates.

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). Keep away from heat, sparks, and open flame. For long-term storage, consider storage under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Meets 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.