Hexachlorobenzene, 1000µg/ml in Isooctane, 1ml

n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-67-0

2,2',3,3',4,4',5,6,6'-Nonabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

Ethylenethiourea, 1000µg/ml in Ethylacetate, 1ml