Surrogate Standard Back Catalog number: 91625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681504 D8-Benzidine, 10mg Price on request MET-11986AM1-1ML Flufenacet ESA sodium salt, 100µg/ml in MeOH, 1ml Price on request 0213.22-200-T Benzo[g]chrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 196-78-1 Price on request