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 50725 ICP Mix #8 Price on request 3873.3-K-ME 3-Chloro-1,2-propanediol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 96-24-2 Price on request 12088.7-K-IO 2,6-Dichlorobenzo dichloride,1000 µg/mL,isooctane,1mL, Price on request