Chlorpyrifos, 250mg Back Catalog number: 673986 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4056-5-10MX Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5 Price on request S688767 Succinic Acid-13C4, 10mg Price on request 94247 Sentex-8 High Concentration CCV Mix Price on request