D10-Chlorpyrifos, 100 µg/ml, Acetone, 1ml Back Catalog number: 676738 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1367.29-50-IO 17 alpha(H),21 alpha(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml Price on request 9491.12-100-IO Tri-n-butylphosphate-d27, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 61196-26-7 Price on request 59427 Total Residual Free Chlorine (Cl) Price on request