CAS No.: 51-21-8 Synonyms: 2,4-Dihydroxy-5-fluoropyrimidine; 5-FU; 5-Fluoro-2,4(1 H ,3 H )-pyrimidinedione Formula: C₄H₃FN₂O₂ Formula Weight: 130.08 Linear Formula: C₄H₃FN₂O₂ MDL No.: …