Abacavir sulfate, chemically defined as CAS number 188062-50-2, is a potent HIV medication. It inhibits the multiplication of the human immunodeficiency virus (HIV) by stopping the viral enzyme reverse transcriptase. https://laytnwndm850906.wikicorrespondent.com/7065993/abacavir_sulfate_cas_registry_number_188062_50_2