Supplier Page from Thermo Fisher Scientific for Iron, Quant:r Test Strips
2-Mercaptobenzothiazole, 95% from Thermo Fisher Scientific
Benzalkonium chloride, alkyl distribution C8-C16, 50 wt% aqueous solution from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific
Melatonine, 99% from Thermo Fisher Scientific