Supplier Page from Thermo Fisher Scientific for Nickel(II) sulfate hydrate, Puratronic:r, 99.9985% (metals basis)
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific