Supplier Page from Thermo Fisher Scientific for 3-Sulfo-N-succinimidyl 4-(maleimidomethyl)cyclohexane-1-carboxylate sodium salt, 97+%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific