Description

Thieno[2,3-C]Pyridine-2-Carboxaldehyde (9Ci) is a high-purity heterocyclic building block and aldehyde derivative, essential for advanced organic synthesis. This compound matters as a versatile precursor for constructing complex molecular architectures in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists working in medicinal chemistry, particularly for the synthesis of novel active pharmaceutical ingredients (APIs) and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, especially in kinase inhibitor and central nervous system (CNS) therapeutic research.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its fused heterocyclic core.
• Material Science Research: Serves as a building block for organic electronic materials, such as organic semiconductors and light-emitting materials.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes and inhibitors for studying biological pathways.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development and exploratory synthesis projects.
• Custom Synthesis & Scale-up: Acts as a starting material for custom synthesis services, supporting process development from milligram to kilogram scale.

Basic Information

Item	Details
Product Name	Thieno[2,3-C]Pyridine-2-Carboxaldehyde (9Ci)
CAS No.	203922-18-3
Molecular Formula	C8H5NOS
Molecular Weight	163.20 g/mol
Synonyms	Thieno[2,3-c]pyridine-2-carbaldehyde; 2-Formylthieno[2,3-c]pyridine; Thieno[2,3-c]pyridine-2-carboxaldehyde; 203922-18-3; Thienopyridinecarboxaldehyde; 2-Thieno[2,3-c]pyridinecarboxaldehyde
EINECS	Contact for details

Quality Control

Our Thieno[2,3-C]Pyridine-2-Carboxaldehyde is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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). This material is 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
Residue on Ignition	≤ 0.5%
Heavy Metals	< 20 ppm

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