Supplier Page from Thermo Fisher Scientific for Phenol Red
Benzalkonium chloride, alkyl distribution C8-C16, 50 wt% aqueous solution from Thermo Fisher Scientific
D-Mannitol, 98+% from Thermo Fisher Scientific
Glyoxalbis(2-hydroxyanil), 97% from Thermo Fisher Scientific
Oxytetracycline dihydrate, 95% from Thermo Fisher Scientific