Supplier Page from Thermo Fisher Scientific for Nµa-Boc-Nµw-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzo[b]furan-5-sulfonyl)-L-arginine, 96%
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific