Supplier Page from Thermo Fisher Scientific for Naphthalene-1-sulfonic acid sodium salt, 99% (dry wt.), water <2%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific