Caffeine, 250mg Back Catalog number: 677300 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended L-PFDS Sodium perfluoro-1-decanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 9367.20-100-IO Di-n-hexyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1015854-55-3 Price on request 1579.4-100MG Metformin hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1115-70-4 Price on request