5-alpha-Androstane Back Catalog number: 91740 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4140-25-IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request 83557 Propionaldehyde-DNPH Price on request 11956.21-K-ME Lisinopril dihydrate,1000 µg base/mL,MeOH,1mL, Price on request