Description

Ethyl 3-Amino-4-Cyano-5-(Methylthio)Thiophene-2-Carboxylate is a high-purity, multi-functional heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in its versatile molecular scaffold, which serves as a critical precursor for the development of complex pharmaceuticals and specialty chemicals. This compound is essential for R&D chemists and production specialists in the pharmaceutical, agrochemical, and material science industries seeking to synthesize novel thiophene-based molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting central nervous system disorders, inflammation, and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging the bioactivity of the thiophene core.
• Organic Electronic Materials: Serves as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Dye and Pigment Manufacturing: Acts as an intermediate for creating specialized dyes and pigments with unique color and stability properties.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways in heterocyclic chemistry.
• Custom Synthesis: Employed by contract research and manufacturing organizations (CROs/CMOs) for the bespoke synthesis of client-specific target molecules.

Basic Information

Product Name	Ethyl 3-Amino-4-Cyano-5-(Methylthio)Thiophene-2-Carboxylate
CAS No.	116170-90-2
Molecular Formula	C9H10N2O2S2
Molecular Weight	242.32 g/mol
Synonyms	Ethyl 3-Amino-4-cyano-5-(methylthio)thiophene-2-carboxylate; 3-Amino-4-cyano-5-methylsulfanyl-thiophene-2-carboxylic acid ethyl ester; 2-Thiophenecarboxylic acid, 3-amino-4-cyano-5-(methylthio)-, ethyl ester; Ethyl 3-amino-4-cyano-5-(methylsulfanyl)thiophene-2-carboxylate; 5-(Methylthio)-3-amino-4-cyanothiophene-2-carboxylic acid ethyl ester; Ethyl 5-(methylthio)-3-amino-4-cyanothiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 3-Amino-4-Cyano-5-(Methylthio)Thiophene-2-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
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.