tioguanine

English

Chemical structure of tioguanine

Alternative forms

• thioguanine (US, UK)

Etymology

From thio- +‎ guanine.

Pronunciation

• (General American) IPA^(key): /ˌtaɪ.oʊˈɡwɑˌnin/

Noun

tioguanine (uncountable)

1. (pharmacology) A crystalline compound C₅H₅N₅S which is a thio analog of guanine with cytotoxic properties as an antimetabolite, given orally in the treatment of leukemia.

References

• “thioguanine”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “thioguanine”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.