Description

3-Furancarboxylic Acid, 2-Amino-4,5-Dihydro-4-Oxo-, Methyl Ester (9Ci) is a specialized heterocyclic building block with a fused furanone structure. This compound matters as a key synthetic intermediate for developing novel active pharmaceutical ingredients (APIs) and advanced agrochemicals due to its reactive amino and ester functional groups. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-infective agents.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Fine Chemical Building Block: Employed in organic synthesis for constructing complex fused-ring systems and functionalized furan derivatives in academic and industrial research.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials with unique electronic or photonic properties.
• Bioconjugation & Probe Development: The reactive amino group makes it suitable for developing fluorescent probes, biochemical tags, and linker molecules in diagnostic applications.

Basic Information

Product Name	3-Furancarboxylic Acid, 2-Amino-4,5-Dihydro-4-Oxo-, Methyl Ester (9Ci)
CAS No.	637349-28-1
Molecular Formula	C7H7NO4
Molecular Weight	169.13 g/mol
Synonyms	2-Amino-4,5-dihydro-4-oxo-3-furancarboxylic acid methyl ester; Methyl 2-amino-4,5-dihydro-4-oxofuran-3-carboxylate; 2-Amino-4-oxo-4,5-dihydrofuran-3-carboxylic acid methyl ester; 3-Furancarboxylic acid, 2-amino-4,5-dihydro-4-oxo-, methyl ester (9CI); 2-Amino-4-oxo-2,5-dihydrofuran-3-carboxylic acid methyl ester; Methyl 2-amino-4-oxo-4,5-dihydrofuran-3-carboxylate; 637349-28-1
EINECS	Contact for details

Quality Control

Our 3-Furancarboxylic Acid, 2-Amino-4,5-Dihydro-4-Oxo-, Methyl Ester (9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory compliance 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 (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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