Supplier Page from Thermo Fisher Scientific for Crystal Violet
5-Aminolevulinic acid hydrochloride, 98+% from Thermo Fisher Scientific
DL-Menthol, 99% from Thermo Fisher Scientific
Inosine, 99% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific