CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 21016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8352.14 Glyoxal di-2,4-dinitrophenylhydrazone, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request 98607 Surrogate Standard Price on request 678413 Fenson, 100 µg/ml, Acetonitrile, 5ml Price on request