Supplier Page from Thermo Fisher Scientific for 1,2-Naphthoquinone-4-sulfonic acid sodium salt, 98%
(±)-erythro-Aleuritic acid, 95% from Thermo Fisher Scientific
Isonipecotic acid, 99% from Thermo Fisher Scientific
L-Serine, 99% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific