O,O-Dimethyldithiophosphate-13C2, sodium salt Back Catalog number: 10710.2-100-MEX5 Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended P48-M-PAR Precision and Recovery Stock Solution: Marker PCBs, 1.2ml, nonane Price on request 3415.6-100-DC beta-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-85-7 Price on request 0032.22-10UG (5)Helicene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 188-52-3 Price on request