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 1581.2-100-ME Dicyanodiamide (Cyanoguanidine), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 461-58-5 Price on request DD-2-S 2-Chlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 10381.31-100-ME Norbuprenorphine 3-beta-D-glucuronide Price on request