Supplier Page from Thermo Fisher Scientific for Tetra-n-butylammonium perchlorate, electrochemical grade
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific