Purified asfalthenes from North Sea Oil,neat,neat,100mg,

2,3,6-Trichlorophenol-4,5-d2, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 93951-81-6

CWA Toxaphene

N-Nitrosopiperazine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1330180-56-7