Isoproturon, 100 µg/ml, Acetonitrile, 5ml

Chlorinated paraffins (Cl:40%), technical mix, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no.

EPA 528 rev. 1.0 Sample Fortification Solution 1 100µg/mL in methanol; unit: 1x5mL 2420.6 2-Chlorophenol-3,4,5,6-d4 [93951-73-6]

Fentanyl impurity A, 25mg