Toxaphene

2-Ethylhexyl-d17 2,3,4,5-tetrabromo[13C6]benzoate, 1.2ml x 50ug/ml, toluene

2-Nitronaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 581-89-5

Isovaleraldehyde-DNPH