Interference Standard 1 Back Catalog number: 52039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0167.14-500-IO 1,2,5,6-Tetramethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-43-3 Price on request 3792.14-K-IO Cashmeran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33704-61-9 Price on request 10412.4-25MG Sodium DL-3-hydroxybutyrate-3,4,4,4-d4 Price on request