Interference Check Standard Back Catalog number: 50329 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2821.7-50-ME n-Perfluoroheptanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-85-9 Price on request 676238 Chlorpropham, 100 µg/ml, Acetonitrile, 1ml Price on request GA0900101CH ASTM Method D2887 Calibration Sol., in chloroform, 1ml Price on request