4-Hexanoylphenylboronic acid is primarily utilized in organic synthesis and medicinal chemistry due to its boronic acid functional group, which is highly effective in Suzuki-Miyaura cross-coupling reactions. This reaction is pivotal for forming carbon-carbon bonds, enabling the synthesis of complex organic molecules, including pharmaceuticals and agrochemicals. Additionally, its boronic acid moiety makes it a valuable component in the development of sensors and diagnostic tools, particularly for detecting sugars and other diol-containing molecules. The compound’s ability to form reversible covalent bonds with diols is exploited in glucose monitoring systems for diabetes management. Furthermore, it is explored in material science for creating advanced polymers and coatings with specific binding properties. Its versatility in binding interactions also makes it a candidate for targeted drug delivery systems, where it can be used to design prodrugs that release active compounds in the presence of specific biological targets.