trans-Urocanic acid, 100mg Back Catalog number: 676722 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11692.12-100-IO 2,3,3',5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 79082 EPA Method 8330 Analyte Price on request 680678 Biphenyl, 100 µg/ml, Cyclohexane, 1ml Price on request