THE PRESENT INVENTION PROVIDES PHARMACEUTICAL FORMULATIONS OF LYOPHILIZED BENDAMUSTINE SUITABLE FOR PHARMACEUTICAL USE. THE PRESENT INVENTION FURTHER PROVIDES METHODS OF PRODUCING LYOPHILIZED BENDAMUSTINE. THE PHARMACEUTICAL FORMULATIONS CAN BE USED FOR ANY DISEASE THAT IS SENSITIVE TO TREATMENT WITH BENDAMUSTINE, SUCH AS NEOPLASTIC DISEASES. FIGURE 3