QC Standard 1 Back Catalog number: 53084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11291.6-100-NN alpha-BHC-13C6,100 µg/mL,n-nonane,1mL, Price on request 0235.16-200-T Pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 129-00-0 Price on request C10931750 Butyric acid, 1ml Price on request