Description

2-Thiophenecarboxylicacid,4-Amino-3-Methoxy-,Methylester(9Ci) is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries requiring sophisticated heterocyclic chemistry, such as pharmaceutical R&D for active pharmaceutical ingredients (APIs) and agrochemical research for novel crop protection agents, are the primary users of this specialty chemical.

Application

• Pharmaceutical intermediate for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Key building block in agrochemical research for developing new herbicides, fungicides, and insecticides.
• Precursor in material science for creating functionalized polymers and organic electronic materials.
• Intermediate in dyestuff and pigment chemistry for specialty applications.
• Research chemical for academic and industrial studies in heterocyclic and medicinal chemistry.
• Starting material for the synthesis of more complex thiophene-based ligands and catalysts.

Basic Information

Item	Details
Product Name	2-Thiophenecarboxylicacid,4-Amino-3-Methoxy-,Methylester(9Ci)
CAS No.	404338-09-6
Molecular Formula	C7H9NO3S
Molecular Weight	187.22 g/mol
Synonyms	Methyl 4-amino-3-methoxythiophene-2-carboxylate; 4-Amino-3-methoxy-2-thiophenecarboxylic acid methyl ester; 2-Thiophenecarboxylic acid, 4-amino-3-methoxy-, methyl ester; Methyl 4-amino-3-methoxythiophene-2-carboxylate (9CI); 4-Amino-3-methoxy-thiophene-2-carboxylic acid methyl ester; 3-Methoxy-4-aminothiophene-2-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarboxylicacid,4-Amino-3-Methoxy-,Methylester(9Ci) is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Products undergo rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications and test results is provided with each shipment to guarantee compliance with your research or production 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 (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.