Risperidone Back Catalog number: 96614 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-I Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 22013 EPA Method 8260B - Purgeable Internal Std Price on request 685617 Chlorflurenol-methyl ester, 250mg Price on request