4-Pentenoic acid also known as allyl acetic acid or 4-pentenate belongs to the class of organic compounds known as straight chain fatty acids. These are fatty acids with a straight aliphatic chain. 4-Pentenoic acid is a very hydrophobic molecule practically insoluble (in water) and relatively neutral.

VPC-13163 has strong anti-proliferative activity against LNCaP and Enzalutamide-resistant prostate cancer cell lines (MR49F) whereas it did not affect the growth of AR independent PC3 cell line.

Eupalinolide O is a natural product for research related to life sciences.