Supplier Page from Thermo Fisher Scientific for Pentanol, mixture of isomers, 99% (sum of isomers)
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific