Spiking Standard 3 Back Catalog number: 56200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L469375 Lofentanil, 1mg Price on request 33671 n-Butyraldehyde Price on request 8840.9-K-IO 2-Propyl-3,5-dimethylpyrazine and 2-Propyl-3,6-dimethylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request