Description

4-(2-Methoxy-Phenyl)-3-Oxo-Butyric Acid Methyl Ester is a high-purity organic ester compound that serves as a critical synthetic intermediate in advanced chemical manufacturing. Its value lies in its versatile β-ketoester functionality, which is essential for constructing complex molecular architectures. This product is primarily needed by pharmaceutical R&D laboratories and fine chemical producers for applications in active pharmaceutical ingredient (API) synthesis and specialty material development.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Organic Synthesis: Versatile precursor for Claisen condensation, Michael addition, and other carbon-carbon bond-forming reactions.
• Heterocyclic Chemistry: Used in the construction of benzofuran, chromone, and other oxygen-containing heterocyclic scaffolds.
• Agrochemical Research: Intermediate for developing novel crop protection agents and herbicides.
• Material Science: Monomer or precursor for specialty polymers and advanced organic materials.
• Academic & Industrial R&D: Valuable reagent for methodological development and discovery chemistry in research institutions.

Basic Information

Product Name	4-(2-Methoxy-Phenyl)-3-Oxo-Butyric Acid Methyl Ester
CAS No.	131644-96-7
Molecular Formula	C13H16O4
Molecular Weight	236.26 g/mol
Synonyms	Methyl 4-(2-methoxyphenyl)-3-oxobutanoate; Methyl 3-oxo-4-(2-methoxyphenyl)butanoate; 3-Oxo-4-(2-methoxyphenyl)butyric acid methyl ester; 4-(2-Methoxyphenyl)-3-oxobutyric acid methyl ester; β-Keto ester intermediate; 2-Methoxyphenyl acetone methyl ester derivative; Butanoic acid, 4-(2-methoxyphenyl)-3-oxo-, methyl ester
EINECS	Contact for details

Quality Control

Our production of 4-(2-Methoxy-Phenyl)-3-Oxo-Butyric Acid Methyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system supports custom purity grades, from technical to research (>95%, >98%, >99%), to meet diverse application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. The container should be kept tightly sealed when not in use to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Standard Grade)
Purity (HPLC)	≥ 98.0% (Premium Grade)
Purity (HPLC)	≥ 99.0% (Research Grade)
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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