Supplier Page from Thermo Fisher Scientific for Trypan Blue, dye content >60%
2-Mercaptobenzothiazole, 95% from Thermo Fisher Scientific
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 99% from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific