Profenofos, 100 µg/ml, Toluene, 1ml

(S)-Hexahydrocannabinol, 1000μg/ml in Acetonitrile, 1ml

2H-Perfluoro-[1,2-13C2]-2-decenoic acid (8:2), 50µg/ml in Isopropanol, 1,2ml

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