Description

3-Thiophenecarboxylicacid,2-[[(3-Chloro-4-Fluorobenzo[B]Thien-2-Yl)Carbonyl]Amino]-5-Ethyl-,Ethylester(9Ci) is a high-purity, complex heterocyclic organic compound designed for advanced synthetic applications. This specialized chemical serves as a critical building block or intermediate in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily needed by pharmaceutical R&D teams and fine chemical manufacturers focused on creating new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic scaffolds.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its unique fused ring structure.
• Material Science: Serves as a monomer or functional additive in the research of advanced polymers and organic electronic materials.
• Chemical Synthesis: Employed in academic and industrial laboratories for constructing complex thiophene and benzothiophene derivatives.
• Ligand & Catalyst Development: Potential use in designing specialized ligands for catalytic systems or metal-organic frameworks (MOFs).

Basic Information

Product Name	3-Thiophenecarboxylicacid,2-[[(3-Chloro-4-Fluorobenzo[B]Thien-2-Yl)Carbonyl]Amino]-5-Ethyl-,Ethylester(9Ci)
CAS No.	588674-17-3
Molecular Formula	C18H15ClFNO3S2
Molecular Weight	411.90 g/mol
Synonyms	Ethyl 2-[[(3-chloro-4-fluorobenzo[b]thien-2-yl)carbonyl]amino]-5-ethylthiophene-3-carboxylate; 2-[[(3-Chloro-4-fluorobenzo[b]thien-2-yl)carbonyl]amino]-5-ethyl-3-thiophenecarboxylic acid ethyl ester; 588674-17-3; 3-Thiophenecarboxylic acid, 2-[[(3-chloro-4-fluorobenzo[b]thien-2-yl)carbonyl]amino]-5-ethyl-, ethyl ester; Ethyl 2-((3-chloro-4-fluorobenzo[b]thiophene-2-carbonyl)amino)-5-ethylthiophene-3-carboxylate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical characterization, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality attributes. We support cGMP compliance for pharmaceutical applications and can tailor specifications to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound may be light-sensitive and should be handled under an inert atmosphere for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/MS)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Individual impurity ≤ 1.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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