Supplier Page from Thermo Fisher Scientific for Tri-n-butylphosphine, 94%
(+)-5-Iodo-2'-deoxyuridine, 99% from Thermo Fisher Scientific
4-Aminophenylacetic acid, 98% from Thermo Fisher Scientific
Benzalkonium chloride, alkyl distribution C8-C16, 50 wt% aqueous solution from Thermo Fisher Scientific
Propionaldehyde, 99+% from Thermo Fisher Scientific