trans-Urocanic acid, 100mg Back Catalog number: 676722 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 97985 EPA Method 502/524 Volatile Standard Price on request 8460.5-100-AN Omethoat Price on request DF-IS-A200 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane Price on request