Thyroxine-13C6, 1mg Back Catalog number: T425602 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 50014 ICP-MS Internal Calibration Mix Price on request 93126 EPA Method 622/8140 - Analytes Price on request 95829 2,6-Dimethylpyridine Price on request