Supplier Page from Thermo Fisher Scientific for 1-Butanesulfonyl chloride, 98%
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific