Reference Material ASTM 5010A, 5ml

2,8-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1207-15-4

1-(3,4-Dichlorophenyl)-3-methylurea

3-n-Propylcarbazole, Please inquire, Solvent-, Unit , # of units-, Cas.no.