Supplier Page from Thermo Fisher Scientific for Chromium pieces, 1-25mm (0.04-1in), 99.99% (metals basis)
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl 3-chloropropionate, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific