Caffeine, 100 µg/ml, Methanol, 1ml Back Catalog number: 677301 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DD-1368-S 1,3,6,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 9884.0-1-05ME Azaspirazide 2, 1.5 µmol/L , Solvent-methanol, Unit 0.5mL, # of units-1, Cas.no. Price on request 73300 2,4’-Dichlorobenzophenone Price on request