Calibration Standard Set Back Catalog number: 52042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680919 Estriol, 10 µg/ml, Acetonitrile, 10ml Price on request 685594 Di-n-octyl adipate, 500mg Price on request 1430.11-1G 2-tert-Butyl-4-methylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2409-55-4 Price on request