Internal standard 3, 2000g/ml in MeOH, 1ml

n-Triacontane-d62

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

2,4'-DDE D8, 100µg/mL in Acetone, 1ml