Supplier Page from Thermo Fisher Scientific for Lithium metaborate, Puratronic:r, 99.997% (metals basis)
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific