13C3-Caffeine, 100 µg/ml, Methanol, 1ml Back Catalog number: 681491 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2601.16-200-T 1,2,3,6,7,8-Hexahydropyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1732-13-4 Price on request 3432.10-100-CY MCPA-methyl ester Price on request 96430 beta-D-(-)-Fructose Price on request