Description

3-Cyano-β-Oxo-Benzenepropanoic Acid Methyl Ester is a versatile and high-purity chemical intermediate with the CAS number 209731-74-8. This compound is valued for its reactive β-keto ester and cyano functional groups, which make it a critical building block in advanced organic synthesis. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex molecular architectures via reactions like Knoevenagel condensation and cyclization.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and functional materials.
• Dye and Pigment Intermediate: Serves in the synthesis of specialized colorants and photochemicals.

Basic Information

Product Name	3-Cyano-β-Oxo-Benzenepropanoic Acid Methyl Ester
CAS No.	209731-74-8
Molecular Formula	C11H9NO3
Molecular Weight	203.19 g/mol
Synonyms	Methyl 3-cyano-3-oxo-3-phenylpropanoate; Methyl 2-cyano-3-oxo-3-phenylpropanoate; 3-Oxo-3-phenyl-2-cyanopropanoic acid methyl ester; 2-Cyano-3-oxo-3-phenylpropionic acid methyl ester; Benzenepropanoic acid, 3-cyano-β-oxo-, methyl ester; 3-Cyano-3-oxo-3-phenylpropionic acid methyl ester
EINECS	Contact for details

Quality Control

Our 3-Cyano-β-Oxo-Benzenepropanoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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