4-Chlorobutyryl Chloride is an active acid chloride intermediate predominantly utilized in the pharmaceutical, agrochemical, and polymer sectors. It is structurally obtained from γ-chlorobutyric acid and serves as an essential building block for the synthesis of acylated compounds, particularly in the production of active pharmaceutical ingredients (APIs), fine chemicals, and specialty resins. Due to its combination of halogen and acyl functional groups, the compound demonstrates significant reactivity, making it useful in acylation processes, esterifications, and the development of chlorinated scaffolds.
4-Chlorobutyryl Chloride is an active acid chloride intermediate predominantly utilized in the pharmaceutical, agrochemical, and polymer sectors. It is structurally obtained from γ-chlorobutyric acid and serves as an essential building block for the synthesis of acylated compounds, particularly in the production of active pharmaceutical ingredients (APIs), fine chemicals, and specialty resins. Due to its combination of halogen and acyl functional groups, the compound demonstrates significant reactivity, making it useful in acylation processes, esterifications, and the development of chlorinated scaffolds.
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Pharmaceutical
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Pharmaceutical Actives & Precursors
Intermediates & Precursors
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Chemical Properties & Specifications
o Pharmaceuticals: Synthesis of intermediates for active pharmaceutical compounds o Agrochemicals: Precursor for herbicide and pesticide synthesis o Polymers: Used in chain-extension and acylation of specialty monomers o Fine Chemicals: For acyl chloride introduction in complex molecules
o Efficient chlorinated acylating agent o Enables multi-functional synthesis pathways o Preferred where dual halogen functions are needed
o Moisture-sensitive; requires nitrogen-blanketed filling o Highly reactive with alcohols and amines o Stored and handled under dry inert conditions o Used in fluorination, amidation, and esterification pathways
o Synthesis of chlorinated heterocycles, amide derivatives, & small-molecule drug scaffolds, particularly in oncology, anti-inflammatory, and CNS-targeted compounds. o Compatibility with amines, alcohols, and thiols makes it widely used in early-stage discovery as well as cGMP-scale synthesis workflows.
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