PAH Spike Stock Back Catalog number: 97680 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H669506-1MG Homovanillic Acid-d5, 1mg Price on request 673571 Ethofumesate, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 79511 Levoglucosan Price on request