alpha-BHC-13C6,100 µg/mL,n-nonane,1mL,

(24R)-24-Methylcholest-4-ene and (24R)-24-Ethylcholest-4-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 79897-60-2 / 71609-17-1

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

WS Trihalomethanes