MA - VPH Surrogate Spike Back Catalog number: 92368 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-3320-100AN5 Metolachlor, 100µg/ml in Acetonitrile, 5ml Price on request 2635.27-1UG 18 alpha(H)-22,29,30-Trisnorneohopane, neat, Solvent-neat, Unit ca. 1µg, # of units-1, Cas.no. 55199-72-9 Price on request C10013200 Acetamiprid-N-desmethyl, 10mg Price on request