Description

3-Thiophenecarboxylicacid,2-Amino-4-Cyano-5-Methyl-,Ethylester(9Ci) CAS NO 321736-08-7 is a high-purity, multi-functional heterocyclic building block essential for advanced organic synthesis. Its core value lies in its unique molecular architecture, featuring amino, cyano, and ester functionalities on a thiophene scaffold, enabling the construction of complex molecules with tailored electronic and structural properties. This compound is critically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for applications ranging from drug discovery to the development of novel electronic materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system or possessing specific receptor binding profiles.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, where the thiophene core can contribute to biological activity.
• Organic Electronic Materials: Acts as a building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Ligand and Catalyst Development: Employed in the creation of novel ligands for transition metal catalysis or as a scaffold for organocatalysts.
• Dye and Pigment Chemistry: Functions as an intermediate for the synthesis of specialized dyes, pigments, and fluorescent markers.
• Academic and Industrial R&D: A valuable reagent for methodological studies in organic chemistry and for exploring new chemical spaces in high-throughput screening libraries.

Basic Information

Product Name	3-Thiophenecarboxylicacid,2-Amino-4-Cyano-5-Methyl-,Ethylester(9Ci)
CAS No.	321736-08-7
Molecular Formula	C9H10N2O2S
Molecular Weight	210.26 g/mol
Synonyms	2-Amino-4-cyano-5-methylthiophene-3-carboxylic acid ethyl ester; Ethyl 2-amino-4-cyano-5-methylthiophene-3-carboxylate; 2-Amino-5-methyl-4-cyanothiophene-3-carboxylic acid ethyl ester; 3-Thiophenecarboxylic acid, 2-amino-4-cyano-5-methyl-, ethyl ester; 321736-08-7; 2-Amino-4-cyano-5-methyl-thiophene-3-carboxylic acid ethyl ester; Ethyl 2-amino-4-cyano-5-methyl-3-thiophenecarboxylate
EINECS	Contact for details

Quality Control

Our production of 3-Thiophenecarboxylicacid,2-Amino-4-Cyano-5-Methyl-,Ethylester(9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and development applications. All products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality assurance protocols.

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 compound is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed to exclude moisture. For long-term storage, consider using desiccants or storing under an inert atmosphere.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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