Description

3-Oxo-3-m-Tolyl-Propionic Acid Methyl Ester is a high-purity organic ester compound that serves as a versatile and critical building block in advanced chemical synthesis. Its value lies in its well-defined molecular structure, which provides a reliable and reactive intermediate for constructing complex molecules. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries who require consistent quality for their synthetic pathways.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with specific aryl ketone backbones.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators where the m-tolyl moiety is required.
• Fine Chemical Production: Employed as a building block for dyes, pigments, and specialty polymers requiring precise molecular architecture.
• Organic Research & Development: A valuable reagent for academic and industrial R&D focused on novel organic reactions, including Claisen condensations and Michael additions.
• Flavor & Fragrance Ingredient Synthesis: Acts as an intermediate in the production of complex aromatic compounds for specialty applications.

Basic Information

Product Name	3-Oxo-3-m-Tolyl-Propionic Acid Methyl Ester
CAS No.	200404-35-9
Molecular Formula	C11H12O3
Molecular Weight	192.21 g/mol
Synonyms	Methyl 3-oxo-3-(3-methylphenyl)propanoate; 3-Oxo-3-(m-tolyl)propionic acid methyl ester; Methyl 3-(3-methylbenzoyl)propanoate; 3-(3-Methylbenzoyl)propionic acid methyl ester; β-Keto ester derivative; m-Tolyl β-keto ester; Methyl 3-(3-methylphenyl)-3-oxopropanoate
EINECS	Contact for details

Quality Control

Our 3-Oxo-3-m-Tolyl-Propionic Acid Methyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results from HPLC, GC, NMR, and other relevant methods. Our quality commitment ensures the material meets the stringent requirements for use as a pharmaceutical intermediate and in other critical applications.

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). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.