No known legitimate applications exist for Cuban-1-ylmethanamine hydrochloride in medicine, industry, or research. It is structurally related to synthetic cannabinoids and is primarily encountered as a designer drug substance, often found in illicit drug preparations marketed as "spice" or "herbal incense." These products are used recreationally for their psychoactive effects, which may mimic those of cannabis. Due to its association with unregulated and potentially hazardous substances, its use carries significant health risks, including severe neurological and cardiovascular side effects. It has no approved therapeutic use and is subject to legal restrictions in many jurisdictions.