Description

Benzo[B]Thiophene-3-Carboxylic Acid, 2-[[[4-Ethyl-3-(Methoxycarbonyl)-5-Methyl-2-Thienyl]Amino]Thioxomethyl]Hydrazide (9Ci) is a sophisticated heterocyclic organic compound featuring a benzo[b]thiophene core integrated with a thienyl hydrazide moiety. This complex molecular architecture makes it a valuable specialty chemical intermediate for advanced research and development in pharmaceutical and agrochemical synthesis. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients, particularly in the fields of medicinal chemistry and crop protection.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides due to its bioactive scaffold.
• Chemical Biology Probe: Acts as a precursor for designing molecular probes to study biological processes and protein interactions.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic electronic materials.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Item	Details
Product Name	Benzo[B]Thiophene-3-Carboxylic Acid, 2-[[[4-Ethyl-3-(Methoxycarbonyl)-5-Methyl-2-Thienyl]Amino]Thioxomethyl]Hydrazide (9Ci)
CAS No.	588712-88-3
Molecular Formula	C19H19N3O3S2
Molecular Weight	401.50 g/mol
Synonyms	2-[[[4-Ethyl-3-(Methoxycarbonyl)-5-Methyl-2-Thienyl]Amino]Thioxomethyl]Hydrazide of Benzo[b]thiophene-3-carboxylic Acid; 2-((4-Ethyl-3-(methoxycarbonyl)-5-methylthiophen-2-yl)carbamothioyl)hydrazine-1-carbothioamide derivative; Benzo[b]thiophene-3-carboxylic acid hydrazide derivative; Thienyl-substituted benzo[b]thiophene carboxyhydrazide; (9CI) Identifier compound.
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols. Every batch is characterized and tested to ensure identity, purity, and consistency, supporting reliable outcomes in downstream synthesis. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical properties are provided to guarantee it meets your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 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.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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