Internal Standards Mix 33, 2000 ng/µl, 1ml Back Catalog number: YA08273300TO Availability: In the manufacturer's stock Price on request - + Recommended 673538 4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml Price on request 71358 Unleaded Gasoline 87 Octane - MTBE Price on request 2572.26-200-T Naphtho[8,1,2-bcd]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 88-89-6 Price on request