Mixed Calibration Standard 1 Back Catalog number: 53335 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9884.0-1-05ME Azaspirazide 2, 1.5 µmol/L , Solvent-methanol, Unit 0.5mL, # of units-1, Cas.no. Price on request 9400.19-10MG Doxepin hydrochloride Price on request 7:2SFTOH 1-Perfluoroheptyl ethanol (7:2 secondary), 1.2ml x 50ug/ml, methanol Price on request