How to Read a GHRP-6 Certificate of Analysis (COA)
A Certificate of Analysis is only useful if you know which number on it matters for the compound in front of you. For GHRP-6, the informative checks are not the same as for a generic short peptide.
In plain English
Confirm the weight near 873. Because two tryptophans can each be damaged independently, look for companion peaks at both 16 and 32 units above the expected weight. Yellowing of the powder is the same process visible to the naked eye.
What GHRP-6 actually is
GHRP-6 is a six-amino-acid molecule from the 1980s that triggers growth hormone release. It has a genuinely remarkable history: it was built and shown to work years before anyone identified the receptor it acted on, and the hunt for that receptor eventually led researchers to discover ghrelin in 1999.
Supplied for laboratory research use only — not for human or animal use.
Third-party tested by HPLC and LC-MS, ≥99% purity, with a Certificate of Analysis on every order. Ships across Canada.
Technical detail below
Assays that are informative for GHRP-6
What to check on the COA
Confirm the mass near 873.0 Da. Because two tryptophans can each oxidise independently, look for both +16 and +32 Da species. Yellowing of the material is the visual correlate of the same process.
Mono- and di-oxidised tryptophan species, D/L epimerised by-products from the D-amino acid couplings.
Verify a Popular Peptides batch
Every batch is third-party tested by HPLC and LC-MS with a published Certificate of Analysis (≥99% purity). Enter a lot number to pull the COA for the exact vial in front of you.
What GHRP-6 is studied for
Acts at GHS-R1a — the receptor whose search for an endogenous ligand led to ghrelin's discovery.
Strong GH-releasing activity in research models, historically the compound's defining property.
Ghrelin-receptor activity links it to appetite pathways in metabolic research models.
A landmark in reverse pharmacology: the synthetic ligand preceded knowledge of both receptor and natural ligand.
Summarizes published preclinical literature. Provided for research reference only; not a claim of efficacy or a description of human use.
More GHRP-6 reference
Lyophilized and reconstituted storage conditions, plus the practical working window.
Diluent selection, dissolution behaviour, and the calculator preset for this compound.
Which solvents work, why, and what abnormal dissolution behaviour indicates.
The specific chemical routes by which this molecule breaks down, and how to limit each.
Compound-specific bench practices, and the errors most often made with this molecule.
What to inspect on arrival, and which conditions actually warrant rejecting a vial.
Questions specific to this compound — structure, chemistry, and common misconceptions.
Purity & COA reference for other compounds
GHRP-6 is supplied strictly as a research chemical for in-vitro laboratory and research use only. It is not intended for human or animal consumption, diagnostic, or therapeutic use. This page is educational laboratory-handling reference information — not medical advice, not usage guidance, and not a protocol.