coformycin and its Impurities

Coformycin. A ribonucleoside antibiotic synergist and adenosine deaminase inhibitor isolated from Nocardia interforma and Streptomyces kaniharaensis. An adenosine deaminase inhibitor used to treat hairy cell leukemia. Reference standards of Coformycin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.