Title:  Hydroxyurea 
CAS Registry Number:  127-07-1 
Additional Names:  Hydroxycarbamide 
Trademarks:  Droxia (BMS);  Hydrea (BMS);  Litalir (BMS) 
Molecular Formula:  CH4N2O2 
Molecular Weight:  76.05 
Percent Composition:  C 15.79%, H 5.30%, N 36.84%, O 42.08% 
Line Formula:  H2NCONHOH 
Literature References:  Ribonuleotide reductase inhibitor; blocks DNA synthesis and repair.  Induces fetal hemoglobin production in patients with sickle cell anemia.  Prepn:  W. F. C. Dressler, R. Stein, Ann. 150, 242 (1869).  Alternate route:  P. J. Graham, US 2705727 (1955 to Du Pont).  Symposium on mechanism of action and clinical experience in cancer:  Semin. Oncol. 19, Suppl. 9, 1-116 (1992).  Clinical trials in sickle cell crises in adults:  S. Charache et al., N. Engl. J. Med. 332, 1317 (1995); in children:  T. R. Kinney et al., Blood 94, 1550 (1999).  Review of clinical pharmacokinetics:  P. R. Gwilt, W. G. Tracewell, Clin. Pharmacokinet. 34, 347-358 (1998); of pharmacology and potential therapeutic indications:  P. Navarra, P. Preziosi, Crit. Rev. Oncol. Hematol. 29, 249-255 (1999).  Clinical trial in essential thrombocythemia:  C. N. Harrison et al., N. Engl. J. Med. 353, 33 (2005). 
Properties:  Needles from alc, mp 133-136°.  Freely sol in water, hot alcohol. 
Melting point:  mp 133-136° 
Therap-Cat:  Antineoplastic; in treatment of sickle cell anemia. 
Keywords:  Antineoplastic.   |