Description

2-Thiophenecarboxylicacid,5-Amino-4-Mercapto-3-Methyl-,Methylester(9Ci) is a multifunctional thiophene derivative that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both amino and mercapto functional groups, makes it a versatile intermediate for constructing complex heterocyclic systems and fine chemicals. This compound is essential for research and development in the pharmaceutical and agrochemical sectors, where it is used to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for antiviral, antibacterial, and central nervous system (CNS) active compounds.
• Agrochemical Synthesis: Building block for developing new generation pesticides, herbicides, and fungicides with enhanced efficacy and selectivity.
• Material Science: Used in the research and production of specialty polymers, conductive materials, and organic semiconductors.
• Chemical Research: Valuable reagent in academic and industrial R&D for exploring new heterocyclic chemistry and reaction pathways.
• Dye & Pigment Industry: Intermediate for synthesizing specialized dyes and organic pigments.
• Ligand & Catalyst Development: Serves as a precursor for creating novel ligands used in catalytic processes and metal complexation.

Basic Information

Product Name	2-Thiophenecarboxylicacid,5-Amino-4-Mercapto-3-Methyl-,Methylester(9Ci)
CAS No.	125270-28-2
Molecular Formula	C7H9NO2S2
Molecular Weight	203.28 g/mol
Synonyms	Methyl 5-amino-4-mercapto-3-methylthiophene-2-carboxylate; 5-Amino-4-mercapto-3-methyl-2-thiophenecarboxylic acid methyl ester; 2-Thiophenecarboxylic acid, 5-amino-4-mercapto-3-methyl-, methyl ester; 5-Amino-4-mercapto-3-methylthiophene-2-carboxylic acid methyl ester; Methyl 5-amino-4-sulfanyl-3-methylthiophene-2-carboxylate; CAS 125270-28-2
EINECS	Contact for details

Quality Control

Our production of 2-Thiophenecarboxylicacid,5-Amino-4-Mercapto-3-Methyl-,Methylester(9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, documenting all critical quality attributes. Our commitment to cGMP principles and reliable supply chain integrity makes us a trusted partner for your critical synthesis needs.

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). Due to its hygroscopic and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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