Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3465.12-100-T Oxadiazon-hydroxy , 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 681989 Piperidine, 250mg Price on request 10200.21-5MG (-)-delta-9-THC-13C4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request