Description

2,5-Thiophenedicarboxylicacid,3-Amino-,2-Methylester(9Ci) is a high-purity, multifunctional heterocyclic building block of significant interest in advanced organic synthesis. Its unique structure, featuring both amino and ester functional groups on a thiophene core, makes it a versatile precursor for creating complex molecules with tailored properties. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting CNS disorders, anti-infectives, and oncology.
• Agrochemical Research: Serves as a building block for synthesizing new generation herbicides, fungicides, and insecticides with potentially improved efficacy and environmental profiles.
• Material Science Precursor: Used in the synthesis of functional polymers, organic semiconductors, and conductive materials due to the electron-rich thiophene moiety.
• Ligand and Catalyst Development: The amino and carboxylic ester groups allow for chelation, making it useful for creating novel ligands in asymmetric catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Synthesis: Acts as an intermediate in the production of specialized dyes, pigments, and optical brighteners.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis and for exploring new chemical spaces in high-throughput screening libraries.

Basic Information

Product Name	2,5-Thiophenedicarboxylicacid,3-Amino-,2-Methylester(9Ci)
CAS No.	785803-73-8
Molecular Formula	C8H7NO4S
Molecular Weight	213.21 g/mol
Synonyms	3-Amino-2,5-thiophenedicarboxylic Acid 2-Methyl Ester; Methyl 3-Amino-2,5-thiophenedicarboxylate; 3-Amino-2-methoxycarbonylthiophene-5-carboxylic Acid; 2-Methoxycarbonyl-5-carboxy-3-aminothiophene; 3-Amino-2-(methoxycarbonyl)thiophene-5-carboxylic Acid; 2,5-Thiophenedicarboxylic acid, 3-amino-, methyl ester (9CI); 785803-73-8; 3-Amino-2-methyl thiophene-2,5-dicarboxylate
EINECS	Contact for details

Quality Control

Our 2,5-Thiophenedicarboxylicacid,3-Amino-,2-Methylester(9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

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). The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere for long-term storage to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
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.