Supplier Page from Thermo Fisher Scientific for 4-(4-Anilinophenylazo)benzenesulfonic acid sodium salt, indicator grade
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific