D4-Ketoprofen, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 676642 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70431 Phthalic anhydride Price on request 10580.39-1MM-CF Phosphatidylethanol sodium salt,1 millimol free acid (723.5 µg/mL),chloroform,1mL Price on request PBEB Pentabromoethylbenzene, 1.2ml x 50ug/ml , toluene Price on request