2,4-DB-2-ethylhexyl ester, 250mg

d2 C28 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-81-3

U{13C7}-Patulin, 25µg/mL, Solvent-acetonitrile, Unit 1,2mL, # of units-1, Cas.no.

1,2,3,7,8,9-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene