Interference Standards Set Back Catalog number: 52038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679543 Cephacetrile, 10mg Price on request 3699.0-10-05ME Pectenotoxin-2 seco acid, 10.0µM, Solvent-methanol, Unit 0.5mL, # of units-1, Cas.no. 212502-87-9 Price on request 94358 Aroclors 1248 & 1260 Price on request