PAH Standard

3ß,17ß(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 497938-80-4

2,2,3,4,5-Pentachlorobiphenyl (BZ-90)

Caffeic acid, >98%, 20mg