Spiking Standard 1 Back Catalog number: 53064 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3441.10-100 Methabenzthiazuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18691-97-9 Price on request 10066.18-K-10MG Codeine-N-methyl-d3 hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. Price on request 14062.18-100-ME (+/-)-3-(4-Methylbenzylidene-d4)camphor, 100µg/ml Price on request