benzyl 4-(5-((63S,4S,Z)-4-((tert-butoxycarbonyl)amino)-11-ethyl-10,10-dimethyl-5,7-dioxo-61,62,63,64,65,66-hexahydro-11H-8-oxa-2(4,2)-thiazola-1(5,3)-indola-6(1,3)-pyridazinacycloundecaphane-12-yl)-6-((S)-1-methoxyethyl)pyridin-3-yl)piperazine-1-carboxylate; CAS No.: 2865127-15-5; This high-value intermediate supports FTE research and custom synthesis, scalable from mg to kg with 1-10+ step routes. ChemShuttle s process chemistry ensures efficient production of libraries and tool compounds, complemented by 80,000+ products for CRO services.