3-Epi-25-Hydroxyvitamin D3, 50μg/ml, 1ml

EPA 8041A Surrogate Standard S-4382 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol

Phthalic-3,4,5,6-d4 acid,neat,neat,1g,

Heptachlor endo-epoxide, 100 µg/ml, Ethyl acetate