Description

Thieno[2,3-B]Pyrazine-6-Carboxylic Acid, 7-Amino-2-Phenyl-, Methyl Ester is a high-purity, heterocyclic organic building block of significant interest in advanced chemical synthesis. This compound matters as a critical intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its unique heterocyclic structure for biological activity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for electron-transport or emissive layer materials in advanced display and lighting technologies.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Chemistry: Utilized as a core structure for developing new classes of functional dyes and high-performance pigments.
• Academic & Contract Research: A valuable reagent for universities and CROs (Contract Research Organizations) exploring new chemical reactions and heterocyclic chemistry.

Basic Information

Item	Details
Product Name	Thieno[2,3-B]Pyrazine-6-Carboxylic Acid, 7-Amino-2-Phenyl-, Methyl Ester
CAS No.	208993-97-9
Molecular Formula	C14H11N3O2S
Molecular Weight	285.32 g/mol
Synonyms	7-Amino-2-phenylthieno[2,3-b]pyrazine-6-carboxylic acid methyl ester; Methyl 7-amino-2-phenylthieno[2,3-b]pyrazine-6-carboxylate; 208993-97-9; Thieno[2,3-b]pyrazine-6-carboxylic acid, 7-amino-2-phenyl-, methyl ester; 7-Amino-2-phenyl-thieno[2,3-b]pyrazine-6-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our Thieno[2,3-B]Pyrazine-6-Carboxylic Acid, 7-Amino-2-Phenyl-, Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications. We support cGMP (current Good Manufacturing Practice) standards for pharmaceutical applications and can tailor purity grades to meet specific project requirements.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (HPLC)	≥ 98.0% / ≥ 99.0% (High Purity Grades Available)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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