Spiking Standard 2 Back Catalog number: 52065 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12149.12-100-ME Mexacarbate,100 µg/mL,MeOH,1mL, Price on request 79215 Acetonitrile Price on request 9275.18-K-ME Clozapine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 5786-21-0 Price on request