stavudine (d4T), a synthetic thymidine nucleoside analogue, active against the Human Immunodeficiency Virus (HIV).

The chemical name for stavudine is 2’,3’-didehydro-3’-deoxythymidine. Stavudine is a white to off-white crystalline solid with the molecular formula C10H12N2O4 and a molecular weight of 224.2. The solubility of stavudine at 23°C is approximately 83 mg/mL in water and 30 mg/mL in propylene gly-col. The n-octanol/water partition coefficient of stavudine at 23°C is 0.144