Dieldrin, 100 µg/ml, Methanol, 1ml

D4-2,4,5-T, 100 µg/ml, Acetone, 1ml

Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane

Vitamin D2 ,neat,neat,500mg,