Alternate Interferents A Back Catalog number: 53026 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-FC93S-1.2ML 4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Price on request 9443.12-100 Bolstar, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 35400-43-2 Price on request 96538 Butabarbital Price on request