... EP4, AJI92, BP98 Molecular Formula,C5H9NO4S Molecular Weight,179.1904 Cas No,2387-59-9 Quality Standards:EP4, AJI92, BP98 ... Carbocistein Structure Formula: Molecular Formula: C5H9NO4S Molecular Weight: 179.1904 Cas No: [2387-59-9]Characteristics: White crystals or crystalline powder ... : 2 year.Molecular Formula,C5H9NO4S Molecular Weight,179.1904 Cas No,2387-59-9 Quality Standards:EP4, AJI92, BP98