Epicatechin, >98%, 20mg

PSA-GCB-Mix 6

O-Desmethyl tramadol hydrochloride , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no.

Organometallic Butyltin Chloride, 2000 µg/mL in CH2Cl2, 1ml