Sudan 4, certified, 0.25g Back Catalog number: C16986104 Availability: In the manufacturer's stock Price on request - + Recommended 95517 PAH Standard Conc Price on request 0312.21-200-T Dibenz[a,c]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-62-3 Price on request 673695 S421, 10 µg/ml, Ethyl acetate, 10ml Price on request