Phthalic acid, bis-methylglycol ester, certified, 0.25g

1,5-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66271-87-2

Robenidine HCl, 100µg/mL in Acetone:MeOH, 1ml

p-Cresidine