Description

3,4-Thiophenedicarboxylicacid,2-Amino-5-Methyl-,Dimethylester(9Ci) is a high-purity, functionalized thiophene derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its unique molecular structure, which combines an amino group and ester functionalities on a thiophene core, enabling precise molecular design and modification. This compound is essential for researchers and manufacturers in the pharmaceutical and material science sectors who require specialized intermediates for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for targeted therapies.
• Organic Electronic Materials: Building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Agrochemical Research: Intermediate for developing new crop protection agents with specific modes of action.
• Ligand Synthesis: Used to create complex ligands for catalysis and metal-organic frameworks (MOFs).
• Dye & Pigment Chemistry: Serves as a core structure for synthesizing specialized dyes and functional colorants.
• Academic & R&D: A valuable reagent for exploratory chemistry and material science research in university and industrial laboratories.

Basic Information

Product Name	3,4-Thiophenedicarboxylicacid,2-Amino-5-Methyl-,Dimethylester(9Ci)
CAS No.	811865-16-4
Molecular Formula	C9H11NO4S
Molecular Weight	229.25 g/mol
Synonyms	2-Amino-5-methylthiophene-3,4-dicarboxylic acid dimethyl ester; Dimethyl 2-amino-5-methylthiophene-3,4-dicarboxylate; 2-Amino-5-methyl-3,4-thiophenedicarboxylic acid dimethyl ester; 3,4-Thiophenedicarboxylic acid, 2-amino-5-methyl-, dimethyl ester; 811865-16-4; 2-Amino-5-methyl-thiophene-3,4-dicarboxylic acid dimethyl ester
EINECS	Contact for details

Quality Control

Every batch of 3,4-Thiophenedicarboxylicacid,2-Amino-5-Methyl-,Dimethylester(9Ci) is produced and tested under a strict quality management system. We ensure compliance with exacting standards for research and industrial use, with typical purity levels exceeding 97% (HPLC). A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee batch-to-batch consistency and traceability.

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). Keep away from strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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