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Nootropics · Peptides

Dihexa: molecular data, studies & sources

Dihexa 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)
C27H44N4O5
Molecular weight (MW)
504.7 g/mol
PubChem compound ID
129010512
Record title
N-(1-Oxohexyl)-L-tyrosyl-N-(6-amino-6-oxohexyl)-L-isoleucinamide

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 129010512 · retrieved 2026-09-21

2D molecular structure for Dihexa, PubChem CID 129010512
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
(2S,3S)-N-(6-amino-6-oxohexyl)-2-[[(2S)-2-(hexanoylamino)-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylpentanamide
InChIKey
XEUVNVNAVKZSPT-JTJYXVOQSA-N
SMILES
CCCCCC(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCCCCCC(=O)N
Machine-readable PubChem source

Identifiers & sequence

PubChem CID
129010512
CAS Registry Number
1401708-83-5via ChemIDplus, EPA DSSTox, FDA GSRS
FDA UNII
9WYX65A5C2
InChIKey
XEUVNVNAVKZSPT-JTJYXVOQSA-N

Other names and development codes: ATH-1001 · PNB-0408

Peptide sequence · 2 residues (one-letter code; X marks a residue without a one-letter code)

YI

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

CAS numbers are published only from ChemIDplus, EPA DSSTox or the FDA Global Substance Registration System; UNII codes are confirmed in FDA GSRS by structure, sequence or exact name. Checked 2026-10-07.

Calculated molecular descriptors
Monoisotopic (exact) mass504.3312 Da
Heavy atoms36
Hydrogen-bond donors5
Hydrogen-bond acceptors5
Rotatable bonds18
Topological polar surface area150.6 Ų
Calculated logP (Crippen)2.69
Rings1
Stereocenters3
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 Dihexa 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 Dihexa, 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.

    1. Research publication · design requires review

      AngIV-Analog Dihexa Rescues Cognitive Impairment and Recovers Memory in the APP/PS1 Mouse via the PI3K/AKT Signaling Pathway.

      Sun X, Deng Y, Fu X et al. · Brain sciences · 2021

      PMID 34827486 · DOI: 10.3390/brainsci11111487

    2. Research publication · design requires review

      Stem cell, Granulocyte-Colony Stimulating Factor and/or Dihexa to promote limb function recovery in a rat sciatic nerve damage-repair model: Experimental animal studies.

      Weiss JB, Phillips CJ, Malin EW et al. · Annals of medicine and surgery (2012) · 2021

      PMID 34703584 · DOI: 10.1016/j.amsu.2021.102917

    Dihexa 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.

    Dihexa for sale: compare prices, sizes and forms from every tracked supplier →

    SupplierRecorded packagesExample source listing
    Amino ClubUSD10mg Vial1 recorded offers10mg Vial · $59.99Stale observation · Checked Sep 28, 2026Supplier listing, Dihexa 10mg Vial, Amino Club, opens in a new tab
    Cenexa LabsUSD10mg Vial1 recorded offers10mg Vial · $98.99Checked Oct 13, 2026Supplier listing, Dihexa 10mg Vial, Cenexa Labs, opens in a new tab
    Amino USAUSD10mg×60 Capsules1 recorded offers10mg×60 Capsules · $120.00Checked Oct 13, 2026Supplier listing, Dihexa 10mg×60 Capsules, Amino USA, opens in a new tab
    American PeptidesUSD5mg×60 Capsules1 recorded offers5mg×60 Capsules · $140.00Checked Oct 13, 2026Supplier listing, Dihexa 5mg×60 Capsules, 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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