1-(4-((4-([1,2,4]Triazolo[1,5-a]pyrid-7-yloxy)-3-methylphenyl)amino)quinazolin-6-yl)-3-(1-hydroxy-2-methylpropan-2-yl)thiourea

The structure integrates multiple privileged scaffolds—quinazoline, triazolopyridine, and thiourea—often seen in targeted small-molecule drug discovery, especially kinase- and enzyme-focused programs. 1-(4-((4-([1,2,4]Triazolo[1,5-a]pyrid-7-yloxy)-3-methylphenyl)amino)quinazolin-6-yl)-3-(1-hydroxy-2-methylpropan-2-yl)thiourea is a highly complex, heterocycle-rich compound used as a late-stage pharmaceutical intermediate or medicinal chemistry lead.

API Name Tucatinib
CAS No 1429755-58-7
Molecular Formula C26H26N8O2S
Molecular Weight 514.6 g/mol
Synonyms 1-(1-hydroxy-2-methylpropan-2-yl)-3-[4-[3-methyl-4-([1,2,4]triazolo[1,5-a]pyridin-7-yloxy)anilino]quinazolin-6-yl]thiourea