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 667 Amphoteric Normal Phase N-BOC-DL-Tryptophan CHIRALPAK® AD-H ( 4.6 x 250 mm 5 µm ) n-hexane / ethanol / trifluoroacetic acid = 85 / 15 / 0.1 ID 668 Amphoteric Normal Phase N-BOC-DL-Tryptophan CHIRALCEL® OJ-H ( 4.6 x 250 mm 5 µm ) n-hexane / 2-propanol / trifluoroacetic acid = 80 / 20 / 0.1