Supplier Page from Thermo Fisher Scientific for Lithium metaborate, Puratronic:r, 99.997% (metals basis)
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific