WHO 532 Standard Back Catalog number: 94154 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9451.9-100 Dicamba methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6597-78-0 Price on request 1396.10-K-IO Malathion, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121-75-5 Price on request 54125 Total Dissolved Solids Price on request