Cephalosporins

2,3,3'-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38444-84-7

3-Chlorothiophene in isooctane, Blank Units: 5x1mL ampoules

Octabromotrimethylphenylindane,50 µg/mL ,toluene,1mL,