Description

Thieno[2,3-B]Pyrazine CAS NO 56088-28-9 is a high-purity fused heterocyclic compound featuring a thiophene ring annulated to a pyrazine ring, serving as a critical advanced intermediate in organic synthesis. Its unique electron-deficient aromatic structure makes it a valuable building block for constructing complex molecular architectures, particularly in the development of novel functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors seeking to develop new active ingredients and electronic components.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, including kinase inhibitors and other biologically active molecules.
• Agrochemical Synthesis: Building block for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Organic Electronic Materials: Core component in the research and production of organic semiconductors, OLED (Organic Light-Emitting Diode) materials, and conductive polymers.
• Ligand and Catalyst Development: Used to create novel nitrogen-sulfur containing ligands for transition metal catalysis and coordination chemistry.
• Dye and Pigment Chemistry: Intermediate for synthesizing specialized dyes and pigments with specific light-absorption properties.
• Academic and R&D: Fundamental research reagent in heterocyclic chemistry and medicinal chemistry for exploring new chemical spaces.

Basic Information

Product Name	Thieno[2,3-B]Pyrazine
CAS No.	56088-28-9
Molecular Formula	C6H4N2S
Molecular Weight	136.17 g/mol
Synonyms	Thieno[2,3-b]pyrazine; [1]Benzothieno[3,2-d]pyrazine; Thieno[2,3-b]pyrazine, 9CI; Thieno(2,3-b)pyrazine; 2,3-Thienopyrazine; NSC 221986; AS-562/40200052; SCHEMBL1555041; DTXSID60622398; BCP24733; STL283910; AKOS005207890; ZB014724; DB-083327
EINECS	Contact for details

Quality Control

Our Thieno[2,3-B]Pyrazine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure high chemical purity and structural identity. We provide detailed Certificates of Analysis (COA) with every shipment, documenting all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring consistent batch-to-batch reproducibility for your research and development 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 (15-25°C). The container should be kept tightly sealed in a dry environment to minimize exposure to moisture and atmospheric oxygen.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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