Description

4-Pentenoic Acid, 4-Chloro-2,2-Dimethyl- Ethyl Ester is a specialized organic ester compound with a reactive chloropentenoate structure. This chemical matters as a versatile building block for synthesizing complex molecules, offering a unique combination of an ester group and a reactive alkene moiety for further functionalization. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for creating novel active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for introducing specific chiral centers or functional groups.
• Agrochemical Synthesis: Used in the production of advanced pesticide and herbicide intermediates, leveraging its reactive sites for constructing heterocyclic or aliphatic target structures.
• Organic Synthesis Building Block: Serves as a versatile precursor in academic and industrial organic chemistry for cross-coupling reactions, cyclizations, and nucleophilic substitution reactions.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including flavors, fragrances, and advanced material precursors, where high-purity intermediates are critical.
• Polymer Modification: Acts as a functional monomer or cross-linking agent in the synthesis of specialty polymers with tailored properties.

Basic Information

Product Name	4-Pentenoic Acid, 4-Chloro-2,2-Dimethyl- Ethyl Ester
CAS No.	118427-36-4
Molecular Formula	C9H15ClO2
Molecular Weight	190.67 g/mol
Synonyms	Ethyl 4-Chloro-2,2-dimethyl-4-pentenoate; 4-Chloro-2,2-dimethyl-4-pentenoic Acid Ethyl Ester; 4-Chloro-2,2-dimethylpent-4-enoic Acid Ethyl Ester; 2,2-Dimethyl-4-chloro-4-pentenoic Acid Ethyl Ester; 4-Chloro-2,2-dimethyl-4-pentenoate ethyl ester; Ethyl 4-chloro-2,2-dimethylpent-4-enoate
EINECS	Contact for details

Quality Control

Our 4-Pentenoic Acid, 4-Chloro-2,2-Dimethyl- Ethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Total impurities ≤ 3.0%
Density	~1.04 g/cm³ (at 20°C)

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