4-Chloro-1,2-phenylenediamine

Benzo(b)fluoranthene

2,3',4,4',5-Pentachlorobiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 446254-80-4

Caffeic acid, >98%, 20mg