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VIP: molecular data, studies & sources

VIP 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)
C147H237N43O43S
Molecular weight (MW)
3326.8 g/mol
PubChem compound ID
53314964
Record title
Vasoactive intestinal peptide

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 53314964 · retrieved 2026-09-21

PubChem 2D molecular structure for VIP, CID 53314964
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)-4-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-(1H-imidazol-4-yl)propanoyl]amino]-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-phenylpropanoyl]amino]-3-hydroxybutanoyl]amino]-3-carboxypropanoyl]amino]-4-oxobutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-hydroxybutanoyl]amino]-5-carbamimidamidopentanoyl]amino]-4-methylpentanoyl]amino]-5-carbamimidamidopentanoyl]amino]hexanoyl]amino]-5-oxopentanoyl]amino]-4-methylsulfanylbutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]hexanoyl]amino]hexanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-methylpentanoyl]amino]-4-oxobutanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-oxobutanoic acid
InChIKey
VBUWHHLIZKOSMS-RIWXPGAOSA-N
SMILES
CC[C@H](C)[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(=O)N)C(=O)O)NC(=O)[C@H](CO)NC(=O)[C@H](CC(=O)N)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC1=CC=C(C=C1)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCCN)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C)NC(=O)[C@H](CCSC)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CC2=CC=C(C=C2)O)NC(=O)[C@H](CC(=O)N)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CC3=CC=CC=C3)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CO)NC(=O)[C@H](CC4=CNC=N4)N
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

    Role of tear vasoactive intestinal peptide on dry eyes after laser keratorefractive surgery.

    Kang Y, Hu Q, Li X et al. · BMC ophthalmology · 2023

    PMID 37081425 · DOI: 10.1186/s12886-023-02857-w

  2. Human study · PubMed trial index

    A clinical trial of intracavernous vasoactive intestinal peptide to induce penile erection.

    Roy JB, Petrone RL, Said SI et al. · The Journal of urology · 1990

    PMID 2405186 · DOI: 10.1016/s0022-5347(17)39939-1

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

    Vasoactive intestinal peptide.

    Said SI · Journal of endocrinological investigation · 1986

    PMID 2872248 · DOI: 10.1007/BF03348097

  2. Review · secondary evidence

    Vasoactive Intestinal Peptide-Secreting Tumors: A Review.

    Siddappa PK, Vege SS · Pancreas · 2019

    PMID 31609932 · DOI: 10.1097/MPA.0000000000001402

  3. Review · secondary evidence

    Vasoactive intestinal peptide secreting tumour: An overview.

    Una Cidon E · World journal of gastrointestinal oncology · 2022

    PMID 35582098 · DOI: 10.4251/wjgo.v14.i4.808

VIP 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 VIP sizes, forms and supplier prices →

SupplierRecorded packagesExample source listing
Amino ClubUSD10mg Vial1 recorded offers10mg Vial · $49.99Checked Sep 16, 2026Supplier listing
Amino USAUSD5mg Vial1 recorded offers5mg Vial · $43.20Checked Sep 16, 2026Supplier listing
Cenexa LabsUSD5mg Vial1 recorded offers5mg Vial · $64.99Checked Sep 16, 2026Supplier listing
US Peptide LabsUSD10mg Vial1 recorded offers10mg Vial · $80.00Checked Sep 16, 2026Supplier listing
Blank PeptidesUSD10mg Vial1 recorded offers10mg Vial · $75.00Checked Sep 21, 2026Supplier listing
Modified AminosUSD10mg Spray1 recorded offers10mg Spray · $69.99Checked Sep 16, 2026Supplier listing
Direct PeptidesUSD10mg Vial1 recorded offers10mg Vial · $89.00Checked Sep 16, 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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