Spiking Standard 3 Back Catalog number: 53072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M326031 6β-Μethyl Prednisolone 21-Acetate (>90%), 2,5mg Price on request 10633.12-50-NN 1,2,3,4,7,8-Hexachlorodibenzofuran ,50 µg/mL,n-nonane,1mL, Price on request 1704.10-K-AN (RS)-N-Nitrosoanabasine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 37620-20-5 Price on request