Description

4-(Methoxycarbonyl)-2-Methylthiophen-3-Aminium Chloride is a high-purity, functionalized thiophene derivative with a reactive aminium chloride group. This compound serves as a versatile and critical pharmaceutical intermediate and organic synthesis building block, enabling the construction of complex molecules. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require a reliable source of this specialized synthon for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those containing thiophene heterocycles.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport or emissive layer materials in electronic displays.
• Dye and Pigment Manufacturing: Intermediate for creating specialized colorants and functional dyes.
• Polymer and Material Science: Monomer or modifier for producing conductive polymers or polymers with specific optical properties.
• Chemical Research & Development: A valuable reagent for method development and exploring new synthetic pathways in academic and industrial labs.

Basic Information

Product Name	4-(Methoxycarbonyl)-2-Methylthiophen-3-Aminium Chloride
CAS No.	66319-02-6
Molecular Formula	C8H10ClNO2S
Molecular Weight	219.69 g/mol
Synonyms	Methyl 3-Amino-2-methylthiophene-4-carboxylate Hydrochloride; 3-Amino-2-methyl-4-(methoxycarbonyl)thiophene Hydrochloride; 2-Methyl-3-amino-4-methoxycarbonylthiophene Hydrochloride; 4-Carbomethoxy-2-methyl-3-aminothiophene Hydrochloride; 3-Amino-4-methoxycarbonyl-2-methylthiophene HCl; 4-Methoxycarbonyl-2-methylthiophen-3-amine hydrochloride
EINECS	Contact for details

Quality Control

Our 4-(Methoxycarbonyl)-2-Methylthiophen-3-Aminium Chloride is produced 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) documenting all critical parameters are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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