Skip to main content
An official website of the United States government
NIH Websites Are Changing
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

rostaporfin

A synthetic purpurin with photosensitizing activity. Rostaporfin preferentially accumulates in tumor cells due to an increased rate of metabolism. Upon exposure to a light source, this agent absorbs light, forming an extended high energy conformational state that produces high quantum yields of singlet oxygen with local cytotoxic effects.
Synonym:tin ethyl etiopurpurin
tin etiopurpurin
US brand name:Purlytin
Abbreviation:SnET2
Chemical structure:tin, (ethyl tetramethyl-20-phorbinecarboxylato(2-)-N23,N24,N25,N26)-, (SP-4-2)
Search NCI's Drug Dictionary