D4-Ethephon, 100 µg/ml, Acetone, 1ml Back Catalog number: 675359 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2125.12-10-IOX10 Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2 Price on request 2979.7-100 Aldicarb sulfone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1646-88-4 Price on request 676429 Atrazine-desethyl-desisopropyl, 100mg Price on request