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Short-peptide dossier

How should BPC-157 sequence identity and intact mass be recorded?

A research-standard dossier for the 15-residue BPC-157 entity, terminal state, formula, average and exact mass, and method-fit questions.

Reviewed by Peptide Harbor editorial reviewUpdated 2026-08-03Educational research-data guidance

Answer first

The BPC-157 record should begin with the complete 15-residue sequence and its H- and -OH terminal state, then attach formula and mass values to that same entity. Chromatographic profile and intact mass can support different parts of the review, while sequence localization requires deliberately selected evidence.

Reviewed Chemical LedgerBPC-157
Molecular form representedNeutral 15-residue peptide entity represented by PubChem CID 9941957
CAS number
137525-51-0
Molecular formula
C62H98N16O22
Average molecular weight
1419.5 g/mol average molecular weight
Exact mass
1418.70415882 Da
Reviewed peptide designationH-Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val-OH
Sequence representationIncludes stated terminal and modification notation
GEPPPGKPADDAGLV
Known Aliases / Code Names:BPC-157BPC 157Bepecin

Field-level sources

PubChem CID 9941957: BPC-157

National Library of Medicine / PubChem · accessed 2026-08-03

Supports: name, molecularForm, cas, formula, weight, exactMass, sequence, peptideDesignation, aliases

Where this framework helps

  • Short-peptide identity-reference planning
  • Expected-versus-observed intact-mass review
  • Checking whether a report identifies the complete terminal form

Limits to keep visible

  • The page does not characterize a batch, supplier, or purity result.
  • A dominant chromatographic peak does not establish the 15-residue order.
  • Therapeutic, recovery, administration, and human-use claims are excluded.
01

Use the full terminally defined sequence

PubChem records the sequence as GEPPPGKPADDAGLV and provides the condensed form H-Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val-OH. The terminal state should remain in the identity record.

02

State the mass convention

Average molecular weight and exact mass are not interchangeable labels. The packet should state the expected value, molecular form, calculation convention, and comparison tolerance used by the laboratory.

03

Select evidence proportional to the question

Intact mass can test whole-entity agreement; chromatographic data can describe a profile under a method; sequence-level evidence is a separate request when residue order or localization matters.

Primary and official sources

References used for this page

Visible FAQ

Questions research teams ask

What is the reviewed BPC-157 backbone sequence?

The PubChem record lists GEPPPGKPADDAGLV, corresponding to a 15-residue peptide with an N-terminal amine and C-terminal carboxyl group in the displayed entity.

Can 1419.5 and 1418.70415882 be used as the same mass value?

No. The first is the listed average molecular weight and the second is the listed exact mass. A report must identify which convention it uses.

Does this page verify a BPC-157 lot?

No. It defines an evidence framework and public identity anchor; lot conclusions require the actual sample, methods, records, and acceptance context.