3,3´-Dichlorobenzidine, 100mg

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

4 alpha-Methyl sterane Kit; includes 0664,0665 (2 samples, 3 compounds), , Solvent-, Unit Kit, # of units-, Cas.no.

4-Nitrotoluene