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SNAP-8: molecular data, studies & sources

SNAP-8 is catalogued here as a research compound. This profile brings together the molecular source record, selected indexed publications and available supplier comparisons. Evidence for a named substance does not authenticate a commercial product.

Compiled by PeptideTech Editors · Sources checked · Selected bibliography, not a systematic review

Molecular formula, weight & structure

Molecular formula (MF)
C41H70N16O16S
Molecular weight (MW)
1075.2 g/mol
PubChem compound ID
76283482
Record title
Acetyl octapeptide-3

Values describe the selected PubChem molecular entity. Counterions, salt forms, hydration and sequence changes can alter the supplied material. Confirm the exact identity against the supplier specification.

Source: PubChem CID 76283482 · retrieved 2026-09-21

2D molecular structure for SNAP-8, PubChem CID 76283482
2D depiction from PubChem. Open to inspect the full image. This drawing represents the selected record, not a vendor batch test.
Chemical identifiers and source data
IUPAC name
(4S)-4-acetamido-5-[[(2S)-1-[[(2S)-1-[[(2S)-5-amino-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-amino-3-carboxy-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-5-oxopentanoic acid
InChIKey
KMACPCJUCHVVGP-FNRPHRCSSA-N
SMILES
C[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)N)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCSC)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)C
Machine-readable PubChem source

Identifiers & sequence

PubChem CID
76283482
InChIKey
KMACPCJUCHVVGP-FNRPHRCSSA-N

Peptide sequence · 8 residues (one-letter code; X marks a residue without a one-letter code)

EEMQRRAD

Condensed notation with terminal groups and non-standard residues

Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH2

Source: PubChem Biologic Line Notation. A reference sequence for the record, not an analysis of a supplied batch.

Calculated molecular descriptors
Monoisotopic (exact) mass1074.4876 Da
Heavy atoms74
Hydrogen-bond donors17
Hydrogen-bond acceptors16
Rotatable bonds38
Topological polar surface area559.7 Ų
Calculated logP (Crippen)-7.28
Rings0
Stereocenters8
Formal charge0

Computed with RDKit from the published SMILES (Crippen logP, topological polar surface area). Calculated descriptors are not measured properties of a supplied batch.

Registered clinical trials

Studies registered on ClinicalTrials.gov that list Acetyl octapeptide-3 as an intervention. Studies that only measure the molecule as a biomarker, or use it only as a comparator or background arm for another drug, are excluded. A registration describes a planned or completed protocol; it does not report a result. Active studies are listed first.

No registered study naming this compound was matched. This is a documented gap in registry coverage, not proof that no study exists.

Registry check 2026-10-01 · Run this search on ClinicalTrials.gov

Human intervention studies

Selected studies in which participants received Acetyl octapeptide-3, with their indexed or reviewed study type. Check the original article for the formulation, population and controls. Studies that only measured the molecule, or used it as a comparator, are listed separately below and are not counted as intervention studies.

No human study that administered this compound was retained in this selected bibliography. This is a documented evidence gap in our selection, not proof that no study exists.

    Preclinical research, reviews & other publications

    Animal studies, laboratory experiments, reviews and other indexed papers answer different questions. A review is secondary evidence; a case report does not estimate how often an outcome occurs.

    No additional matching publication was retained. The search links below allow further investigation; they are not evidence that a study exists.

      SNAP-8 supplier sources

      Scientific sources describe molecules and experiments. The commercial links below identify recorded supplier packages. A publication or chemical database entry does not verify the seller, purity, sterility or contents of a lot. Some links are affiliate links; see our disclosure.

      SNAP-8 for sale: compare prices, sizes and forms from every tracked supplier →

      SupplierRecorded packagesExample source listing
      Amino ClubUSD10mg Vial1 recorded offers10mg Vial · $29.99Stale observation · Checked Sep 28, 2026Supplier listing, SNAP-8 10mg Vial, Amino Club, opens in a new tab
      Amino USAUSD10mg Vial1 recorded offers10mg Vial · $35.00Checked Oct 13, 2026Supplier listing, SNAP-8 10mg Vial, Amino USA, opens in a new tab
      Cenexa LabsUSD10mg Vial · 200mg Powder2 recorded offers10mg Vial · $49.99Checked Oct 13, 2026Supplier listing, SNAP-8 10mg Vial, Cenexa Labs, opens in a new tab
      American PeptidesUSD10mg Vial1 recorded offers10mg Vial · $55.00Checked Oct 13, 2026Supplier listing, SNAP-8 10mg Vial, American Peptides, opens in a new tab

      Reference sources & further reading

      The citations above link directly to publication records. Encyclopedia links are background reading and are not used to establish clinical effectiveness.

      Search for additional research

      These links run searches; their results have not been individually reviewed and can include unrelated compounds.

      Research information is not a dosing guide or a recommendation for personal use. Study findings are specific to the formulation, population and methods tested. Read our source and correction policy.

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