Quinoxaline-2-carboxylic acid

Perfluoro-n-tridecane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 376-03-4

Dibenzothiophene in Xylene Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO S-4054-0-XY S

Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml