Semi-Volatile Mix Back Catalog number: 95222A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678427 Heptachlor-exo-epoxide, 100 µg/ml, Acetonitrile, Price on request XA15890000AL Parathion-methyl, 100µg/mL in Acetonitrile, 1ml Price on request 9566.12-50UG 10:2MonoPAPS, neat, Solvent-neat, Unit ca. 50 µg, # of units-1, Cas.no. 57678-05-4 Price on request