Description

tert-Butyl 2-oxopent-4-enoate is a high-purity, versatile chemical intermediate featuring a reactive α,β-unsaturated ketone ester structure. This compound is valued for its role as a key building block in the synthesis of complex molecules, particularly in pharmaceutical and agrochemical research. It is essential for chemists and manufacturers in the fine chemical, pharmaceutical, and advanced material sectors seeking to introduce functionalized pentenoate frameworks into their target compounds.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring functionalized γ-keto ester motifs.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Serves in Michael addition reactions, cyclization processes, and other carbon-carbon bond-forming transformations.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Academic & Industrial R&D: A valuable reagent for medicinal chemistry and process chemistry research in laboratory and pilot-scale applications.

Basic Information

Product Name	tert-Butyl 2-Oxopent-4-Enoate
CAS No.	1823047-74-0
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	2-Oxopent-4-enoic acid tert-butyl ester; tert-Butyl 4-pentenoate-2-one; 4-Pentenoic acid, 2-oxo-, 1,1-dimethylethyl ester; tert-Butyl 2-oxo-4-pentenoate; 2-Oxo-4-pentenoic acid tert-butyl ester; Butanoic acid, 2-oxo-4-pentenyl-, tert-butyl ester
EINECS	Contact for details

Quality Control

Our tert-Butyl 2-oxopent-4-enoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing purity, identity, and impurity profiles to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong acids, strong bases, and incompatible materials. The container must be kept tightly sealed to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.