Description

5'-Amino-2,3'-Bithiophene-4'-Carboxylic Acid is a high-purity, multifunctional heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of novel materials and active pharmaceutical ingredients (APIs), offering a unique molecular scaffold for functionalization. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for creating complex thiophene-based derivatives.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel drug candidates, particularly in areas targeting central nervous system (CNS) disorders and anti-infectives.
• Organic Electronic Materials: Used in the research and development of conjugated polymers and small molecules for organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Agrochemical Synthesis: Acts as a precursor for developing new herbicides, fungicides, and insecticides with potentially novel modes of action.
• Ligand and Catalyst Development: Employed in the design of novel chelating ligands for metal catalysis and coordination chemistry.
• Fluorescent Probe and Dye Chemistry: Utilized to construct advanced fluorophores and chromophores for sensing, imaging, and diagnostic applications.
• Academic and Contract Research: A valuable reagent for methodological studies and the exploration of new heterocyclic chemistry in university and CRO laboratories.

Basic Information

Product Name	5'-Amino-2,3'-Bithiophene-4'-Carboxylic Acid
CAS No.	1368920-44-8
Molecular Formula	C9H7NO2S2
Molecular Weight	225.29 g/mol
Synonyms	4'-Carboxy-2,3'-bithiophene-5'-amine; 5-Amino-2,3'-bithiophene-4'-carboxylic acid; 2,3'-Bithiophene-4'-carboxylic acid, 5'-amino-; 5'-Amino-[2,3']bithiophenyl-4'-carboxylic acid; 4'-(Carboxy)-2,3'-bithiophene-5'-amine; 2-(5-Aminothiophen-2-yl)thiophene-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5'-Amino-2,3'-Bithiophene-4'-Carboxylic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and scale-up applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

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). This material is light-sensitive (store away from light). Keep container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay	≥ 98.0% (on dried basis)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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