Calibration Standard Mix 2 Back Catalog number: 53011 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674957 Procymidone, 250mg Price on request 8730.12-K-IO Diethyl terephthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 71579 4-Nitrophenol-PFB derivative Price on request