"The plant is the only commercial entity in the USA authorized by the Drug Enforcement Administration to import coca leaves, which come primarily from Peru. Approximately 100 metric tons of dried coca leaf are imported each year. The cocaine-free leaves are sold to The Coca Cola Company, while the cocaine is sold to Mallinckrodt, a pharmaceutical firm, for medicinal purposes." -- http://en.wikipedia.org/wiki/Stepan_Company
Ear-nose-throat guys still use it for contact anesthetic. I had a light shoved up my nose and then back into the throat while they examined the result of a punch to the throat. (Martial arts FTW.) I sat there amazed that I didn't really give a damn with a giant flextube ramming into my face.
The compound is cocaine hydrochloride.