alanosine and its Impurities

An amino acid analogue and antibiotic derived from the bacterium Streptomyces alanosinicus with antimetabolite and potential antineoplastic activities. It is used as one of a few experimental treatments for patients with deadly pancreatic cancer when the main chemotherapeutic treatment regimen of gemcitabine is no longer useful. Reference standards of Alanosine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.