Dow 624B Volatile Internal/Surrogate Standard

2-Methyldocosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1560-81-2

Sildenafil,1000 µg/mL,MeOH,1mL

Endrin, 100 µg/ml, Methanol, 1ml