Interference Standard Mix 2 Back Catalog number: 52040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79349 Methidathion Price on request 1196.24-1G 5ß(H)-Cholanic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 546-18-9 Price on request 674886 Fenbendazole, 100mg Price on request