COD Calibration Standard Back Catalog number: 50451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2370.8-K-IO Vanillin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121-33-5 Price on request 73016 Theobromine Price on request X9194 1,1,2,2-Tetrachloroethane Price on request