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Melanotan-2: molecular data, studies & sources

Melanotan-2 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)
C50H69N15O9
Molecular weight (MW)
1024.2 g/mol
PubChem compound ID
92432
Record title
melanotan-II

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 92432 · retrieved 2026-09-21

PubChem 2D molecular structure for Melanotan-2, CID 92432
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
(3S,6S,9R,12S,15S,23S)-15-[[(2S)-2-acetamidohexanoyl]amino]-9-benzyl-6-[3-(diaminomethylideneamino)propyl]-12-(1H-imidazol-5-ylmethyl)-3-(1H-indol-3-ylmethyl)-2,5,8,11,14,17-hexaoxo-1,4,7,10,13,18-hexazacyclotricosane-23-carboxamide
InChIKey
JDKLPDJLXHXHNV-MFVUMRCOSA-N
SMILES
CCCC[C@@H](C(=O)N[C@H]1CC(=O)NCCCC[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H](NC(=O)[C@@H](NC1=O)CC2=CN=CN2)CC3=CC=CC=C3)CCCN=C(N)N)CC4=CNC5=CC=CC=C54)C(=O)N)NC(=O)C
Machine-readable PubChem source

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.

  1. Human study · PubMed trial index

    Evaluation of melanotan-II, a superpotent cyclic melanotropic peptide in a pilot phase-I clinical study.

    Dorr RT, Lines R, Levine N et al. · Life sciences · 1996

    PMID 8637402 · DOI: 10.1016/0024-3205(96)00160-9

  2. Human study · PubMed trial index

    Melanocortin receptor agonists, penile erection, and sexual motivation: human studies with Melanotan II.

    Wessells H, Levine N, Hadley ME et al. · International journal of impotence research · 2000

    PMID 11035391 · DOI: 10.1038/sj.ijir.3900582

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. Review · secondary evidence

    Melanotan II: a possible cause of renal infarction: review of the literature and case report.

    Peters B, Hadimeri H, Wahlberg R et al. · CEN case reports · 2020

    PMID 31953620 · DOI: 10.1007/s13730-020-00447-z

Melanotan-2 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.

Compare all Melanotan-2 sizes, forms and supplier prices →

SupplierRecorded packagesExample source listing
Blank PeptidesUSD10mg Vial1 recorded offers10mg Vial · $40.00Checked Sep 21, 2026Supplier listing
American PeptidesUSD10mg Vial1 recorded offers10mg Vial · $55.00Checked Sep 21, 2026Supplier listing
Amino ClubUSD10mg Vial · 15mg Spray2 recorded offers10mg Vial · $29.95Checked Sep 16, 2026Supplier listing
Nova Peptide SupplyUSD10mg Vial1 recorded offers10mg Vial · $34.99Checked Sep 16, 2026Supplier listing
Amino USAUSD10mg Vial1 recorded offers10mg Vial · $27.00Checked Sep 16, 2026Supplier listing
Cenexa LabsUSD10mg Vial1 recorded offers10mg Vial · $44.99Checked Sep 16, 2026Supplier listing
US Peptide LabsUSD10mg Vial1 recorded offers10mg Vial · $55.00Checked Sep 16, 2026Supplier listing
Direct PeptidesUSD10mg Vial1 recorded offers10mg Vial · $69.00Checked Sep 16, 2026Supplier listing
Particle PeptidesEUR10mg Vial1 recorded offers10mg Vial · €47.99Checked Sep 16, 2026Supplier listing
Nuvion PeptidesCAD10mg Vial1 recorded offers10mg Vial · CA$59.99Checked Sep 21, 2026Supplier listing
AminoVaultUSD10mg Vial1 recorded offers10mg Vial · $52.28Checked Sep 19, 2026Supplier listing
PhaseOneAUD10mg Vial1 recorded offers10mg Vial · A$59.99Checked Sep 21, 2026Supplier listing
BioStacksCAD10mg Vial1 recorded offers10mg Vial · CA$80.00Checked Sep 21, 2026Supplier listing
AllMyPeptidesGBP10mg Vial1 recorded offers10mg Vial · £17.99Checked Sep 17, 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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