Recent literature on potentially viable alternative applications of CST demonstrate its use as feedstock for the synthesis of functionalised molecules. Several protocols for the direct conversion of untreated CST into valuable synthetic building blocks have been developed, which circumvents the costly separation of CST into terpene fractions via distillation. This includes the conversion of CST-contained monoterpenes into p-menthadienes, which are valuable intermediates for the synthesis of p-cymene and terephthalic acid, as well as the direct epoxidation of monoterpenes in CST to yield terpene epoxides, which may be transformed into a range of functionalised compounds via selective reaction protocols.