Supplier Page from Thermo Fisher Scientific for (S)-(-)-Nicotine, 99%
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific