Description

2-Thiophenecarboxylicacid,5-Amino-3-Cyano-4-Methyl-,Methylester(9Ci) is a high-purity, multifunctional heterocyclic building block essential for advanced organic synthesis. This compound matters for its role as a key precursor in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors, where its unique thiophene core and functional groups enable precise molecular modifications. It is needed by research chemists and process development scientists in pharmaceutical R&D, agrochemical discovery, and material science laboratories seeking to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly in therapeutic areas targeting the central nervous system, inflammation, and oncology.
• Agrochemical Synthesis: Used in the research and development of next-generation pesticides, herbicides, and fungicides, leveraging its heterocyclic structure for bioactivity.
• Material Science Research: Serves as a monomer or functional additive in the development of conductive polymers, organic semiconductors, and specialty coatings.
• Chemical Biology Probe Development: Utilized to create labeled compounds or molecular probes for studying biological pathways and enzyme interactions.
• Academic & Industrial R&D: A versatile reagent for method development and exploring new synthetic routes in organic chemistry laboratories worldwide.

Basic Information

Product Name	2-Thiophenecarboxylicacid,5-Amino-3-Cyano-4-Methyl-,Methylester(9Ci)
CAS No.	778611-27-1
Molecular Formula	C8H8N2O2S
Molecular Weight	196.23 g/mol
Synonyms	Methyl 5-amino-3-cyano-4-methylthiophene-2-carboxylate; 5-Amino-3-cyano-4-methyl-2-thiophenecarboxylic acid methyl ester; 2-Thiophenecarboxylic acid, 5-amino-3-cyano-4-methyl-, methyl ester; Methyl 5-amino-4-methyl-3-cyanothiophene-2-carboxylate; 5-Amino-4-methyl-3-cyanothiophene-2-carboxylic acid methyl ester; 778611-27-1; Amino-cyanomethyl thiophene carboxylate ester
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarboxylicacid,5-Amino-3-Cyano-4-Methyl-,Methylester(9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability for your critical synthesis work. All products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to verify identity, purity, and the absence of critical impurities. Certificates of Analysis (COA) detailing all specifications are available upon request, supporting compliance with internal quality standards and regulatory documentation 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 (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (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.