Supplier Page from Thermo Fisher Scientific for µa-Naphtholphthalein
4-Isopropylbenzoic acid, 98+% from Thermo Fisher Scientific
Girard's Reagent T, 99% from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 99% from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific