Perfluoro-n-dodecanoic acid, 1.2ml x 50ug/ml, methanol

cis-4-(2-Hydroxyphenyl)-2-oxobut-3-enoic acid, Please inquire, Solvent-, Unit , # of units-, Cas.no. 31966-72-0

Hexavalent Chromium (Cr 6+)

1,2,3,5-Tetrachlorobenzene, 100 µg/ml, Methanol,