Semi-Volatile Mix Back Catalog number: 93893 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0601.27-100-IO ß alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-20-9 Price on request 70742 Octachloronaphthalene Price on request 15900-0210-100AN5 Atraton, 100µg/ml in Acetonitrile, 5ml 52,57 €