Description

4H-Cyclopenta[B]Thiophene-3-Carboxylicacid,2-Amino-5,6-Dihydro-,Hydrazide(9Ci) CAS NO 443297-72-1 is a high-purity, heterocyclic organic building block featuring a fused cyclopentathiophene core with both amino and hydrazide functional groups. This compound is of significant value in advanced pharmaceutical research and fine chemical synthesis, where its unique molecular scaffold enables the development of novel active compounds. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating new molecular entities with targeted properties.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing specific receptor activity.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its heterocyclic structure for bioactivity.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a building block for electron-transport or emissive layer materials in advanced display technologies.
• Ligand Synthesis for Catalysis: The amino and hydrazide groups make it suitable for constructing complex ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Academic & Institutional Research: Employed in universities and research institutes for fundamental studies in heterocyclic chemistry and reaction mechanism exploration.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom synthesis houses producing specialized compounds for client-specific projects.

Basic Information

Product Name	4H-Cyclopenta[B]Thiophene-3-Carboxylicacid,2-Amino-5,6-Dihydro-,Hydrazide(9Ci)
CAS No.	443297-72-1
Molecular Formula	C8H9N3OS
Molecular Weight	195.24 g/mol
Synonyms	2-Amino-4,5-dihydro-3-thiophenecarboxylic acid hydrazide; 2-Amino-4,5-dihydrothiophene-3-carbohydrazide; 2-Amino-4,5-dihydrothiophene-3-carboxylic acid hydrazide; 4,5-Dihydro-2-aminothiophene-3-carbohydrazide; 4H-Cyclopenta[b]thiophene-3-carboxylic acid, 2-amino-4,5-dihydro-, hydrazide; 4H-Cyclopenta[b]thiophene-3-carboxylic acid, 2-amino-5,6-dihydro-, hydrazide (9CI)
EINECS	Contact for details

Quality Control

Our 4H-Cyclopenta[B]Thiophene-3-Carboxylicacid,2-Amino-5,6-Dihydro-,Hydrazide(9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for research and scale-up activities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled 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. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.