Compound comparison

BPC-157 vs GLP3 · Reference Compound Comparison

Comparison of two structurally distinct synthetic peptide reference compounds frequently studied in separate but adjacent research lines.

Shared characteristics

  • ·Both are synthetic linear peptides
  • ·Both qualified at ≥99% purity by HPLC and confirmed by ESI-MS
  • ·Both supplied lyophilized in single-use vials
  • ·Both ship with batch-specific COA

Side-by-side differences

AspectBPC-157GLP3
Peptide length15 residues39 residues
Molecular weight1419.55 g/mol4731.4 g/mol
Molecular formulaC62H98N16O22C221H343N51O64
CAS number137525-51-02381089-83-2
Aib residuesNoneMultiple (drives α-helical stability)
ReconstitutionDirect in waterBrief alkalinization recommended
AggregationMinimal at <50 mg/mLSelf-associates above ~5 mg/mL
Stability vs proteasesHighly stable (Pro-rich)Standard susceptibility

When researchers choose each

BPC-157 is the smaller, easier-to-handle reference for proline-rich short peptide analytics. GLP3 is selected for studies involving longer Aib-stabilized peptide backbones and receptor-binding analytics where conformational stability matters.