Description

Thieno[3,4-B]Pyrazine, 5,7-Bis(5-Bromo-2-Thienyl)- is a high-value, multi-functional heterocyclic building block designed for advanced material synthesis. This compound is critical for researchers and manufacturers requiring precise molecular architectures with specific electronic and optical properties. It is primarily utilized in the development of organic semiconductors, photovoltaics, and specialized pharmaceutical intermediates.

Application

• As a key monomer or intermediate in the synthesis of conjugated polymers for organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• In the development of n-type organic semiconductor materials for field-effect transistors (OFETs) and electronic circuits.
• For constructing complex heterocyclic frameworks in pharmaceutical research and agrochemical discovery.
• As a precursor for small-molecule organic electronic materials with tunable HOMO-LUMO energy levels.
• In academic and industrial R&D focused on novel charge-transport and light-harvesting materials.
• For the synthesis of dyes and pigments with specific optoelectronic characteristics.

Basic Information

Product Name	Thieno[3,4-B]Pyrazine, 5,7-Bis(5-Bromo-2-Thienyl)-
CAS No.	916901-48-9
Molecular Formula	C14H6Br2N2S3
Molecular Weight	490.22 g/mol
Synonyms	5,7-Bis(5-bromothiophen-2-yl)thieno[3,4-b]pyrazine; 2,5-Bis(5-bromo-2-thienyl)thieno[3,4-b]pyrazine; 5,7-Di(5-bromo-2-thienyl)thieno[3,4-b]pyrazine; Thieno[3,4-b]pyrazine, 5,7-bis(5-bromo-2-thienyl)-; TPBTP; Brominated Thienopyrazine Derivative
EINECS	Contact for details

Quality Control

Every batch of our Thieno[3,4-B]Pyrazine derivative is synthesized and purified under controlled conditions to ensure high purity and batch-to-batch consistency, meeting the stringent requirements of electronic and pharmaceutical grade applications. Our products undergo rigorous quality testing, including HPLC, NMR, and elemental analysis. Certificates of Analysis (COA) detailing purity and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The compound is light-sensitive and should be handled under an inert atmosphere when appropriate for prolonged stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (HPLC/IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (HPLC)	≥ 99.0% (High Purity Grade)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents	Meets ICH guidelines

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