Supplier Page from Thermo Fisher Scientific for Bis[(2-diphenylphosphino)phenyl] ether, 98%
(+)-5-Iodo-2'-deoxyuridine, 99% from Thermo Fisher Scientific
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific