CAS 5845-67-0 appears in our catalog under these names: Morphine tolerance peptide, 98%, Cyclo(Leu-Gly), >95% (HPLC), Cyclo(–Gly–Leu), Morphine Tolerance Peptide, Cyclo(glycyl-L-leucyl) 95+%. Offered by: Combi-blocks, TRC, GLPBio, Biosynth, Ambeed. Available pack sizes: 100mg, 1g, 250mg, 50mg, 25mg, 50 mg, 25 mg, 100 mg.