Description

2-Thiophenecarboxylicacid,4-Amino-4,5-Dihydro-,Methylester(9Ci) is a specialized heterocyclic building block with a fused thiophene and dihydro ring system, bearing both amino and ester functional groups. This unique molecular architecture makes it a high-value intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical and agrochemical R&D teams for creating novel active ingredients, as well as by fine chemical manufacturers producing custom compounds.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in therapeutic areas targeting the central nervous system or infectious diseases.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, or fungicides due to its bioactive thiophene core.
• Material Science Research: Serves as a precursor for functionalized polymers or organic electronic materials where the thiophene unit is integral for charge transport.
• Ligand and Catalyst Development: The amino and ester groups provide handles for creating complex chelating ligands used in catalysis.
• Academic & Industrial R&D: A versatile building block for methodological chemistry studies and library synthesis in medicinal chemistry programs.
• Fine Chemical Production: Employed in the custom synthesis of high-value, low-volume specialty chemicals for various industrial applications.

Basic Information

Product Name	2-Thiophenecarboxylicacid,4-Amino-4,5-Dihydro-,Methylester(9Ci)
CAS No.	709604-54-6
Molecular Formula	C7H9NO2S
Molecular Weight	171.22 g/mol
Synonyms	Methyl 4-amino-4,5-dihydrothiophene-2-carboxylate; 4-Amino-4,5-dihydro-2-thiophenecarboxylic acid methyl ester; 4-Amino-4,5-dihydrothiophene-2-carboxylic acid methyl ester; 2-Thiophenecarboxylic acid, 4-amino-4,5-dihydro-, methyl ester; 4,5-Dihydro-4-amino-2-thiophenecarboxylic acid methyl ester; Methyl 4-aminodihydrothiophene-2-carboxylate; 709604-54-6
EINECS	Contact for details

Quality Control

Our production of 2-Thiophenecarboxylicacid,4-Amino-4,5-Dihydro-,Methylester(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and synthesis applications. All materials undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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