Carmustine or BCNU (= "bis-chloronitrosourea") is a mustard gas-related α-chloro-nitrosourea compound used as an alkylating agent in chemotherapy. Carmustine for injection is marketed under the name BiCNU by Bristol-Myers Squibb. Uses It is used in the treatment of several types of brain cancer (including glioma, glioblastoma multiforme, medulloblastoma and astrocytoma), multiple myeloma and lymphoma (… (More on Carmustine)