Description

(Z)-Methyl 2-(2-Chlorobenzylidene)-3-Oxobutanoate CAS NO 15725-22-1 is a specialized organic compound belonging to the class of α,β-unsaturated keto esters. This chemical serves as a versatile and critical synthetic intermediate for constructing complex molecular architectures. It is primarily needed by pharmaceutical R&D and fine chemical synthesis laboratories for the development of active pharmaceutical ingredients (APIs) and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those with benzylidene or chalcone-based structures.
• Organic Synthesis Reagent: Used in Michael additions, cyclization reactions, and as a precursor for heterocyclic compounds like pyrazoles and pyridines.
• Agrochemical Research: Intermediate in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science Precursor: Potential monomer or cross-linking agent in the research of specialty polymers and advanced organic materials.
• Academic & R&D: Used in university and institutional research for methodological studies in synthetic organic chemistry.

Basic Information

Product Name	(Z)-Methyl 2-(2-Chlorobenzylidene)-3-Oxobutanoate
CAS No.	15725-22-1
Molecular Formula	C12H11ClO3
Molecular Weight	238.67 g/mol
Synonyms	Methyl (Z)-2-[(2-Chlorophenyl)methylene]-3-oxobutanoate; Methyl 2-(2-Chlorobenzylidene)acetoacetate; 2-(2-Chlorobenzylidene)-3-oxo-butanoic Acid Methyl Ester; (Z)-2-(2-Chlorobenzylidene)-3-oxobutanoic Acid Methyl Ester; 3-Oxobutanoic Acid, 2-[(2-Chlorophenyl)methylene]-, Methyl Ester, (Z)-; 2-(2-Chlorobenzylidene)-3-oxobutyric Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our (Z)-Methyl 2-(2-Chlorobenzylidene)-3-Oxobutanoate is produced under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.