MA - VPH Surrogate Spike Back Catalog number: 92368 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3884.6-100MG Nitrofurazone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 59-87-0 Price on request 673616 beta-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request 3173.25-K-IO Methyl tetracosanoate (Methyl lignocerate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2442-49-1 Price on request