Supplier Page from Thermo Fisher Scientific for 2,3-Dimethylphenylhydrazine hydrochloride, 97%
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific