Molecular Weight - Formula - Match Compounds Sub-Structure Exact Match Open here and redraw the structure. Search Search Results Total 2305 Results 2 Per page 10 20 30 40 50 60 70 80 90 100 ID 3 Amphoteric Polar Phase 1-Methyl-DL-tryptophan CHIRALPAK® ZWIX(+) ( 3 x 150 mm 3 µm ) 50mM formic acid + 25mM diethylamine in methanol / water = 90 / 10 ID 2217 Amphoteric Reverse Phase 1-Methyl-DL-tryptophan CROWNPAK® CR-I(+) ( 3 x 150 mm 5 µm ) perchloric acid aq. pH2.0 / acetonitrile = 80 / 20