Palmitic Acid ethyl ester

Palmitic Acid ethyl ester (CAS No.: 628-97-7) is a lipid-soluble fatty acid ethyl ester derived from palmitic acid, a prevalent saturated fatty acid in human diets and plasma lipoproteins, and is widely utilized in biochemical and pharmacological research as a representative neutral lipid species. This compound has been identified as a potent inhibitor of chikungunya virus replication in vitro, exhibiting antiviral activity in the nanomolar range, and is therefore of interest in studies investigating host–virus interactions and antiviral drug discovery. In addition to its antiviral properties, palmitic acid ethyl ester demonstrates notable anti-inflammatory activity, as evidenced by its ability to downregulate key pro-inflammatory mediators including TNF-α, IL-6, and NF-κB in endotoxemia-based animal models, implicating modulation of canonical inflammatory signaling pathways. Mechanistically, as a fatty acid ethyl ester, it is also associated with alterations in intracellular calcium dynamics, which can contribute to cellular stress responses such as pancreatic acinar cell injury under conditions of excessive ethanol exposure, thereby providing a useful tool for studying lipid-induced cytotoxicity and metabolic inflammation. Given these properties, palmitic acid ethyl ester is commonly applied in cell-based assays and in vivo models to explore viral replication mechanisms, inflammatory signaling cascades, and lipid-mediated cellular dysfunction, with experimental concentrations or dosing regimens varying according to specific study designs and therapeutic hypotheses.