Supplier Page from Thermo Fisher Scientific for Tantalum slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length, 99.95% (metals basis)
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific