2,4,6,8-Tetrachloro[13C12]dibenzothiophene, 1.2ml x 50ug/ml, toluene

Perfluoro-n-[3,4,5-13C3]pentanoic acid, 1.2ml x 50ug/ml, methanol

3-n-Pentylcarbazole, Please inquire, Solvent-, Unit , # of units-, Cas.no.

Pendimethalin, 100 µg/ml, Acetonitrile, 5ml