Supplier Page from Thermo Fisher Scientific for Barium sulfate, Puratronic:r, 99.998% (metals basis)
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific