13C3-Caffeine, 10mg Back Catalog number: 680424 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 679145 Phenol-Mix 1, 100 µg/ml, Acetonitrile, 10ml Price on request 30053 EPA Method 552 Haloacetic acids Price on request C20750000 1,2-Dimethylnaphthalene, certified, 50mg Price on request