Chlorpyrifos, 100µg/mL in MeOH, 1ml Back Catalog number: 64688 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L429-SS Method 429 Surrogate Standard, 100µg/ml in Isooctane/10% toluene, 1,2ml Price on request 677514 Dodecyl gallate, 500mg Price on request NK-LCS-T Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane Price on request