Description

Ethyl 2-Isothiocyanato-4,5-Dimethylthiophene-3-Carboxylate is a specialized heterocyclic building block featuring both an isothiocyanate and an ester functional group. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex molecules in pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists working in medicinal chemistry and crop protection. The compound's reactivity allows for the construction of novel thiophene-based scaffolds with potential biological activity.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in the development of kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Research: Used in creating new active ingredients for herbicides, fungicides, and insecticides, leveraging the thiophene core for bioactivity.
• Chemical Biology Probe Development: The reactive isothiocyanate group enables conjugation to biomolecules (proteins, peptides) for labeling and studying biological pathways.
• Material Science Precursor: Serves as a monomer or precursor for functionalized polymers and advanced organic materials with specific electronic properties.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences industry.

Basic Information

Product Name	Ethyl 2-Isothiocyanato-4,5-Dimethylthiophene-3-Carboxylate
CAS No.	85716-85-4
Molecular Formula	C10H11NO2S2
Molecular Weight	241.33 g/mol
Synonyms	Ethyl 4,5-dimethyl-2-isothiocyanatothiophene-3-carboxylate; 2-Isothiocyanato-4,5-dimethylthiophene-3-carboxylic Acid Ethyl Ester; 4,5-Dimethyl-2-isothiocyanatothiophene-3-carboxylic Acid Ethyl Ester; Thiophene-3-carboxylic acid, 2-isothiocyanato-4,5-dimethyl-, ethyl ester; 85716-85-4; ETITC (abbreviation)
EINECS	Contact for details

Quality Control

Our Ethyl 2-Isothiocyanato-4,5-Dimethylthiophene-3-Carboxylate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and development applications. We provide comprehensive analytical data including HPLC purity, NMR, and mass spectrometry for identity confirmation. Certificates of Analysis (COA) are available for every batch and supplied upon request to support your regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	< 20 ppm

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