Supplier Page from Thermo Fisher Scientific for 4-Bromo-2,6-dichlorobenzenesulfonyl chloride, 95%
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific