Total Kjeldahl Nitrogen as N Back Catalog number: 50767 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1134.14-K-IO n-Tetradecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-59-4 Price on request 677445 Synephrine, 50mg Price on request 684794 Indaziflam, 100 µg/ml, Acetonitrile, 1ml Price on request