CAS 20829-55-4 appears in our catalog under these names: Cyclo(-trp-trp), 95%, Cyclo(L-Trp-L-Trp), Cyclo(L-Trp-L-Trp), 95%, Cyclo-L-Trp-L-Trp/ 96.37% (existing batch purity), Cyclo(L–Trp–L–Trp). Offered by: Combi-blocks, TRC, AmBeed, TargetMol, GLPBio. Available pack sizes: 100mg, 1g, 5g, 250mg, 10mg, 25mg, 50mg, Get quote.