Description

Ethyl 2-{[(Acetylamino)Carbonothioyl]Amino}-5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylate is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular scaffolds. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new drug candidates and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Serves as a core structure for developing new generations of herbicides, fungicides, or insecticides with specific modes of action.
• Organic Synthesis Building Block: Used in academic and industrial R&D for constructing complex fused-ring thiophene derivatives for material science or catalysis studies.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory submissions in pharmaceutical development.

Basic Information

Product Name	Ethyl 2-{[(Acetylamino)Carbonothioyl]Amino}-5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylate
CAS No.	325823-13-0
Molecular Formula	C13H15N3O3S2
Molecular Weight	325.40 g/mol
Synonyms	Ethyl 2-[(acetylamino)(thiocarbonyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate; 2-[(Acetylamino)(thioxomethyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylic Acid Ethyl Ester; Acetamide, N-[(3-(ethoxycarbonyl)-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)carbamothioyl]-; CAS 325823-13-0
EINECS	Contact for details

Quality Control

Our Ethyl 2-{[(Acetylamino)Carbonothioyl]Amino}-5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS), to ensure compliance with exacting R&D and production standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment.

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). The compound may be hygroscopic; keep the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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