13C3-Caffeine, 10mg Back Catalog number: 680424 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10580.39-100-CF Phosphatidylethanol sodium salt,100 µg free acid/mL,chloroform,1mL Price on request DF-1369-S 1,3,6,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request S673752-1MG Sodium Trifluoroacetate-13C2, 1mg Price on request