Description

2-Thiophenecarboxylicacid,3-Amino-5-Cyano-,Ethylester(9Ci) is a high-purity, multi-functional heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of novel pharmaceuticals and agrochemicals, where its unique thiophene scaffold with amino and cyano substituents enables the construction of complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly in therapeutic areas targeting central nervous system (CNS) disorders, anti-infectives, and oncology.
• Agrochemical Synthesis: Used in the research and development of new generation pesticides, herbicides, and fungicides, leveraging its heterocyclic core for bioactivity.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the development of advanced polymers, conductive materials, and organic semiconductors.
• Chemical Research & Development: Employed in academic and industrial labs for methodological studies in heterocyclic chemistry, cross-coupling reactions, and the development of new synthetic pathways.
• Dye & Pigment Intermediate: Acts as a starting material for synthesizing specialized dyes and pigments with specific light-absorption or electronic properties.

Basic Information

Product Name	2-Thiophenecarboxylicacid,3-Amino-5-Cyano-,Ethylester(9Ci)
CAS No.	150360-19-3
Molecular Formula	C8H8N2O2S
Molecular Weight	196.23 g/mol
Synonyms	Ethyl 3-amino-5-cyanothiophene-2-carboxylate; 3-Amino-5-cyano-2-thiophenecarboxylic acid ethyl ester; 2-Thiophenecarboxylic acid, 3-amino-5-cyano-, ethyl ester; Ethyl 3-amino-5-cyanothiophene-2-carboxylate; 3-Amino-5-cyanothiophene-2-carboxylic acid ethyl ester; 5-Cyano-3-aminothiophene-2-carboxylic acid ethyl ester; 150360-19-3; Ethyl (3-amino-5-cyano-2-thienyl)carboxylate
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarboxylicacid,3-Amino-5-Cyano-,Ethylester(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical R&D and scale-up processes.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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