Supplier Page from Thermo Fisher Scientific for Al-23 Insulating Tube, Both Ends Open (Thin Wall);OD (mm), 2.7;ID (mm), 1.7
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific