CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 22016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3125.18-K-IO Benzyl n-butyl phthalate-3,4,5,6-d6,1000 µg/mL,isooctane,1mL, Price on request 681166 N-Ethyl-N-phenylurethane, 50mg Price on request V095752-1MG Valsartan-d3, 1mg Price on request