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Nootropics · Peptides

N-Acetyl Semax Amidate: molecular data, studies & sources

N-Acetyl Semax Amidate 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)
C39H54N10O10S
Molecular weight (MW)
855.0 g/mol
PubChem compound ID
172638603
Record title
N-acetyl semax amidate

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 172638603 · retrieved 2026-09-21

2D molecular structure for N-Acetyl Semax Amidate, PubChem CID 172638603
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-[[(2S)-2-acetamido-4-methylsulfanylbutanoyl]amino]-5-[[(2S)-1-[[(2S)-1-[(2S)-2-[[2-[(2S)-2-carbamoylpyrrolidin-1-yl]-2-oxoethyl]carbamoyl]pyrrolidin-1-yl]-1-oxo-3-phenylpropan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]amino]-5-oxopentanoic acid
InChIKey
QQOAKFVAEDCKGY-HPMAGDRPSA-N
SMILES
CC(=O)N[C@@H](CCSC)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC1=CN=CN1)C(=O)N[C@@H](CC2=CC=CC=C2)C(=O)N3CCC[C@H]3C(=O)NCC(=O)N4CCC[C@H]4C(=O)N
Machine-readable PubChem source
Calculated molecular descriptors
Monoisotopic (exact) mass854.3745 Da
Heavy atoms60
Hydrogen-bond donors8
Hydrogen-bond acceptors11
Rotatable bonds22
Topological polar surface area295.2 Ų
Calculated logP (Crippen)-1.64
Rings4
Stereocenters6
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 N-Acetyl Semax Amidate as an intervention. Studies that only measure the molecule as a biomarker 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 and clinical studies

Selected human-study records are shown with their indexed or reviewed study type. Check the original article for the intervention, formulation and controls; the molecule can also be a comparator or measured variable.

No matching human study 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.

      N-Acetyl Semax Amidate 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.

      N-Acetyl Semax Amidate for sale: compare prices, sizes and forms from every tracked supplier →

      SupplierRecorded packagesExample source listing
      Amino USAUSD30mg Vial1 recorded offers30mg Vial · $65.00Checked Oct 7, 2026Supplier listing
      American PeptidesUSD10mg Spray1 recorded offers10mg Spray · $90.00Checked Oct 7, 2026Supplier listing

      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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