Caffeine Back Catalog number: 96175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66070 2,3',4',5-Tetrachlorobiphenyl (70) Price on request 675135 Dichlone, 10 µg/ml, Acetonitrile, 10ml Price on request LGC2609 Tin - DSC calibration standard, 500mg Price on request