Description

Methyl 3-oxopropanoate is a versatile organic ester and a key building block in fine chemical synthesis. This compound is valued for its reactive β-ketoester functionality, which makes it an essential intermediate for constructing complex molecular frameworks. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications in heterocyclic chemistry and active ingredient development.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing pyrazole, pyrimidine, and other heterocyclic cores.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, leveraging its reactivity to form key carbon-carbon bonds.
• Fine Chemical Manufacturing: Serves as a building block for dyes, pigments, flavors, and fragrances requiring specific keto-ester backbones.
• Academic & Industrial Research: Employed in organic methodology development, catalysis studies, and the discovery of new chemical entities in R&D laboratories.
• Polymer Chemistry: Acts as a monomer or co-monomer in the synthesis of specialized polymers and coatings with tailored properties.

Basic Information

Product Name	Methyl 3-Oxopropanoate
CAS No.	63857-17-0
Molecular Formula	C4H6O3
Molecular Weight	102.09 g/mol
Synonyms	Methyl 3-oxopropanoate; Methyl 3-oxobutyrate; 3-Oxobutyric acid methyl ester; Acetoacetic acid methyl ester; Methyl acetoacetate; MAA; Methyl acetylacetate; 3-Ketobutyric acid methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 3-oxopropanoate is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to verify identity, potency, and impurity profiles. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The container should be kept tightly sealed when not in use to minimize moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 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.