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 73492 Duloxetine Price on request P2155018 Plastic additive 18, 50mg Price on request 675775 Mirex, 100 µg/ml, Ethyl acetate, 5ml Price on request