Supplier Page from Thermo Fisher Scientific for Potassium tetrafluoroborate, 99% min, typically >99.5%
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific