Instrument Standard 4 Back Catalog number: 52080 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1652.12-100-IO 1,1,1,3,11,12-Hexachlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-22-5 Price on request 92213 8151MDL B Price on request 71150 4-Chlorophenoxyacetic acid Price on request