Roxithromycin, 100 µg/ml, Methanol, 1ml

Analytical Standard for n-Alkanes 1mL Use 100µg/mL in hexane as a working standard n-C10-C40 + Pristane

m-Xylene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 108-38-3

Sulfosulfuron, 100µg/ml in Acetonitrile, 1ml