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Peptide Therapy GuideClear peptide education

Understand the source comparison

PE Same As Pe-22-28: Full Comparison

Before sourcing research-grade material, understanding how catalog designations map to molecular identity prevents procurement errors and ensures COA documentation matches your institutional requirements. PE Ala-Glu-Asp-Gly (390.35 g/mol) 307297-39-8 Tel

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This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.

  • Before sourcing research-grade material, understanding how catalog designations map to molecular identity prevents procurement errors and ensures COA documentation matches your institutional requirements.
  • PE 22 28
  • Ala-Glu-Asp-Gly (390.35 g/mol)
  • 307297-39-8
  • Telomerase activation studies, cellular senescence models
  • ≥98% by HPLC, MS-verified
  • Original Russian nomenclature. Identical to Epithalon, requires HPLC + MS verification
  • Pe-22-28
  • Neuroendocrine research, circadian rhythm studies
  • Hyphenated formatting variant. Same compound as PE 22 28, no structural difference
  • Epithalon
  • Anti-aging research, DNA damage response pathways
  • Western commercial name. Most common supplier designation, requires identical documentation
  • Epitalon
  • Oxidative stress models, longevity research
  • Alternative transliteration. Functionally identical to Epithalon, verify CAS match on COA