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 72665 Dichlofluanid Price on request X9217 Anisole Price on request 9417.17-50MG Venlafaxine hydrochloride,neat,neat,50mg Price on request