Reference

Research Peptide Reference Data

A compiled, factual reference of common research peptides — abbreviations, molecular formulas, and molecular weights — with general lyophilized-storage guidance.

Last reviewed: July 21, 2026

Material	Abbrev.	Research category	Molecular formula	Molecular weight
Retatrutide 10 mg	Retatrutide	Metabolic Research	C221H342N46O68	≈ 4731.3 g/mol
Retatrutide 30 mg	Retatrutide	Metabolic Research	C221H342N46O68	≈ 4731.3 g/mol
GHK-Cu 50 mg	GHK-Cu	Cellular Research	C14H24N6O4·Cu	≈ 403.9 g/mol
BPC-157 10 mg	BPC-157	Recovery Research	C62H98N16O22	≈ 1419.5 g/mol
TB-500 10 mg	TB-500	Recovery Research	C212H350N56O78S	≈ 4963.4 g/mol

Molecular values are commonly cited reference figures and describe the compound in general; they are not batch-specific analytical results. Batch documentation, where available, is provided on request.

General handling & storage

Lyophilized powder: generally stored at −20 °C, protected from moisture and light, where it is stable long-term.
After reconstitution: handling and storage depend on the solvent and study design; reconstituted peptides are typically far less stable than the lyophilized form.
On receipt: inspect and transfer to appropriate storage promptly; degradation from delayed receipt or improper storage is the recipient’s responsibility.

Reading the data

A molecular formula and weight describe a compound’s identity — not the purity or contents of a specific vial.
Purity and identity are properties of a specific batch. See our guide on how to read a certificate of analysis.
For sourcing standards, see evaluating a Canadian peptide supplier.

This reference is educational and general in nature. All materials are for laboratory and research use only — not for human or veterinary use. It provides no dosing, administration, or clinical guidance.

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