Internal Standards Mix 33, 2000 ng/µl, 1ml Back Catalog number: YA08273300TO Availability: In the manufacturer's stock Price on request - + Recommended 0241.24-200-T Dibenzo[a,i]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 189-55-9 Price on request 79196 2,4-D Price on request 1366.8-1ML N,O-Bis(trimethylsilyl)trifluoroacetamide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 25561-30-2 Price on request