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 1845.15-1G 4-n-Octylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 3575-31-3 Price on request CA14971740 Methacrylic acid-ethyl ester, certified, 1ml Price on request 2212.22-K-IO Di-n-octyl adipate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 123-79-5 Price on request