L-Tryptophan, 100mg Back Catalog number: 676720 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DD-1379-S 1,3,7,9-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request X23105500CY Chloroparaffin C10-C13 55,5% Cl, 100µg/ml in CY, 10ml Price on request 0726.12-K-IO 1,7-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 575-37-1 Price on request