Description

2-Thiophenecarboxylicacid,4-Amino-5-Methyl-(9Ci) CAS NO 748091-32-9 is a specialized heterocyclic building block featuring both amino and carboxylic acid functional groups on a thiophene core. This unique structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical and agrochemical R&D teams for the creation of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-infectives, and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides, leveraging the bioactivity of the thiophene scaffold.
• Material Science Research: Serves as a building block for developing advanced organic electronic materials, such as conductive polymers and organic semiconductors.
• Ligand and Catalyst Development: The amino and carboxylic acid groups allow for its use in creating complex ligands for catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments where the thiophene ring contributes to color and stability properties.
• Custom Synthesis and Contract Manufacturing: A critical raw material for fine chemical manufacturers offering bespoke synthesis services for client-specific molecules.

Basic Information

Product Name	2-Thiophenecarboxylicacid,4-Amino-5-Methyl-(9Ci)
CAS No.	748091-32-9
Molecular Formula	C6H7NO2S
Molecular Weight	157.19 g/mol
Synonyms	4-Amino-5-methylthiophene-2-carboxylic acid; 5-Methyl-4-aminothiophene-2-carboxylic acid; 4-Amino-5-methyl-2-thiophenecarboxylic acid; 2-Thiophenecarboxylic acid, 4-amino-5-methyl-; 748091-32-9; 4-Amino-5-methyl-thiophene-2-carboxylic acid; 5-Methyl-4-amino-2-thiophenecarboxylic acid
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarboxylicacid,4-Amino-5-Methyl-(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR). We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications to ensure it meets the stringent requirements for research and development applications.

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 nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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