Heptachlor, 100 µg/ml, Methanol, 1ml

Pyrene-d10, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-52-1

rac Mono(5-carboxy-2-ethylpentyl) Phthalate, 1mg

5ß(H),17 alpha(H),21ß(H)-Hopane (mix. with 0132.30), neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.