CAS 5654-87-5 appears in our catalog under these names: Cyclo(Pro–Val), Cyclo-Val-Pro-diketopiperazine, Cyclo(Pro-Val)/ 98.36% (existing batch purity), Cyclo(Pro-Val), Cyclo(Pro-Val) (Standard). Offered by: GLPBio, TRC, TargetMol, Biosynth, Chemat. Available pack sizes: 5mg, 500mg, 10mg, 25mg, 50mg, 100mg, 200mg, 2mg.