WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

4-tert-Octylphenol EO, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2315-67-5

(2RS)-2-(4-n-Propylphenyl)propanoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3585-47-5

5,6-Dimethyl-2-thiouracil, 25mg