Palbociclib-Succinic acid is a Palbociclib- derivative with a succinic acid linker. The carboxy group of Palbociclib-Succinic acid can be used to conjugate with other molecules such as peptides, proteins, or polymers. Palbociclib-Succinic acid is a useful agent to make Palbociclib-conjugate for drug delivery, nanodrug research.