Description

Methyl 4-Chloropentanoate is a versatile organic ester compound with a reactive chlorinated alkyl chain. This chemical serves as a valuable intermediate in the synthesis of more complex molecules, offering a strategic combination of an ester group and a terminal chlorine for further functionalization. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a chlorinated pentanoate backbone.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the chloropentanoate moiety is incorporated.
• Organic Synthesis Reagent: Serves as a versatile electrophile in alkylation reactions or as a precursor for generating other functional groups like acids or alcohols via hydrolysis or reduction.
• Liquid Crystal & Polymer Chemistry: Potential monomer or intermediate for creating specialized polymers and liquid crystal materials with tailored properties.
• Flavor & Fragrance Industry: May be used as a synthetic intermediate for certain ester-based aroma chemicals, following strict purification protocols.
• Chemical Research: Employed in academic and industrial R&D for methodological studies and the development of novel synthetic pathways.

Basic Information

Product Name	Methyl 4-Chloropentanoate
CAS No.	63318-20-7
Molecular Formula	C6H11ClO2
Molecular Weight	150.60 g/mol
Synonyms	4-Chloropentanoic Acid Methyl Ester; Methyl 4-Chlorovalerate; 4-Chlorovaleric Acid Methyl Ester; Pentanoic Acid, 4-chloro-, Methyl Ester; Methyl γ-Chlorovalerate; Methyl ester of 4-chloropentanoic acid; 63318-20-7; γ-Chlorovaleric Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our Methyl 4-Chloropentanoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP guidelines where applicable to support our customers in regulated industries.

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. Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Total impurities ≤ 2.0%
Density	~1.09 g/cm³ at 20°C
Refractive Index	~1.435 at 20°C

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