beta-Estradiol hemihydrate, 100 µg/ml, Methanol,

PAH Solution 25 Natives in Toluene Naphthalene 0711,10 90-20-3 99.9 % 0.1 mg/ml 1-Methylnaphthalene 0712,11 90-12-0 99.9 % 0.1mg/ml Biphenyl 0341,12 92-52-4 99.0 % 0.1mg/ml 2,6-Dime

Quinmerac, 100 µg/ml, Acetonitrile, 5ml

2,2,3,3,4,4,5,6-Octachlorobiphenyl