Supplier Page from Thermo Fisher Scientific for 2,5-Dimethoxybenzaldehyde, 97%
4-Ethylphenol, 97% from Thermo Fisher Scientific
Formaldehyde, 37 wt% sol. in water, stab. with 5-15% methanol from Thermo Fisher Scientific
Furfuryl mercaptan, 97% from Thermo Fisher Scientific
Gluconic acid, 50 wt% solution in water from Thermo Fisher Scientific