Supplier Page from Thermo Fisher Scientific for L-Phenylalanine, 98.5-101.0%, specified according to the requirements of USP
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific