Thioguanine
C5H5N5S
(anhydrous)
167.19
C5H5N5S·½H2O 176.20
6H-Purine-6-thione, 2-amino-1,7-dihydro-;
2-Aminopurine-6(1H)-thione
[154-42-7] Hemihydrate [5580-03-0]
C5H5N5S·½H2O 176.20
6H-Purine-6-thione, 2-amino-1,7-dihydro-;
2-Aminopurine-6(1H)-thione
[154-42-7] Hemihydrate [5580-03-0]
DEFINITION
Thioguanine is anhydrous or contains one-half molecule of water of hydration. It contains NLT 96.0% and NMT 100.5% of thioguanine (C5H5N5S), calculated on the dried basis.