Multi-Element Internal Standard

2,2',3,3',5,5',6,6'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Circobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 41163-25-1

Stigmasterol acetate, , Solvent-, Unit , # of units-, Cas.no.