Difethialone, 10 µg/mL in Acetonitrile, 10mL Back Catalog number: L12625000AL Availability: In the manufacturer's stock Price on request - + Recommended 59257 Phosphate (PO43-) as P Price on request 96545 d,l-Methadone Price on request DF-IS-H200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request