Phthalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 88-99-3

2,3,7,8-Tetrabromodibenzofuran, 1.2ml x 50ug/ml, toluene

5-Nitrobenzo[c]phenanthrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 64356-30-5

17 alpha(H),21ß(H)-(22RS)-Trishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54340-13-5