CAS: 9001-99-4 Name: Ribonuclease A Appearance: white freeze-dried powder Source: Bovine pancreas Enzyme activity: 80u/mg, 60u/mg Uses: As a laboratory analytical reagent, it is widely used in scientific research institutions. In addition, it has significant cytotoxicity, can kill many tumor cell lines, can inhibit the reproduction of HIV-1 virus that causes AIDS in cells, and can treat hepatitis B.