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 31391 Dichloromethane Price on request 2533.11-100MG (2RS)-2-(4-Ethylphenyl)propanoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3585-52-2 Price on request 3133.8-K-IO Octanoic acid (Caprylic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 124-07-2 Price on request