Dow FR-250, 35 µg/mL in Isooctane, 1ml Back Catalog number: B-250S-0.35X Availability: In the manufacturer's stock Price on request - + Recommended 1281.30-10MG Betulinic Acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 472-15-1 Price on request DF-SS-A Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 1000ng/ml, nonane Price on request 15900-1765-100AN5 Dimethenamid-P, 100µg/ml in Acetonitrile, 5ml Price on request