Amifostine trihydrate

Amifostine Trihydrate (Ethyol) is a cytoprotective drug used in cancer therapy to shield healthy tissues from the damaging effects of chemotherapy (like cisplatin-induced kidney damage) and radiation, particularly preventing dry mouth (xerostomia) in head/neck cancer patients, by scavenging free radicals and binding to toxic metabolites, though its use is limited by side effects like low blood pressure. It’s given intravenously before treatment, acting selectively on healthy cells over tumor cells. The directory classifies it as a commercial API with a synthetic source/manufacturing origin. Other names for this substance include Ethyol (TN), Ethanethiol, 2-[(3-aminopropyl)amino]-, dihydrogen phosphate (ester) and trihydrate. Its PubChem CID is 148139.

CAS No 112901-68-5
Molecular Formula C5H21N2O6PS
Molecular Weight 268.27 g/mol
Synonyms 2-(3-aminopropylamino)ethylsulfanylphosphonic acid;trihydrate

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