Supplier Page from Thermo Fisher Scientific for Zirconium(IV) sulfate tetrahydrate, 99.99% (metals basis)
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific