Calibration Standard Set Back Catalog number: 53032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11618.24-100-ME Spironolactone,100 µg/mL,MeOH,1mL, Price on request S-4069-S-2.5L Solvent for ASTM D 664-01 1 L and 10x1L Toluene 50.0 % Isopropanol 49.5 % Water, ionfree 0.5 % Price on request 70433 Kepone, 1000µg/ml in Acetone, 1ml Price on request