Supplier Page from Thermo Fisher Scientific for (-)-3,4-Dihydroxy-µa-methyl-L-phenylalanine sesquihydrate, 99%
2-Ethylaniline, 98% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Formaldehyde, 37 wt% sol. in water, stab. with 5-15% methanol from Thermo Fisher Scientific