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Cyclic nonapeptide

Source-cited, neutral write-ups on the compounds in our catalog: reconstitution technique, the published literature, and how to verify quality.

For research and educational purposes only. Nothing here is medical advice or a usage recommendation, and none of these materials are for human or animal consumption. These statements have not been evaluated by the FDA.

Cyclic nonapeptide
Oxytocin Acetate: What It Is and What It Does
A cyclic nonapeptide hormone at the center of oxytocin-receptor and social-behavior research.
Read →: Oxytocin Acetate: What It Is and What It Does

VNG supplies analytical-grade biochemical reference standards and laboratory research materials to qualified research customers. All materials are sold exclusively for laboratory research and analytical use.

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Research use only, FDA disclaimer

The statements made on this website have not been evaluated by the U.S. Food and Drug Administration. The products of VNG are not intended to diagnose, treat, cure, or prevent any disease. All products are supplied as analytical-grade biochemical reference standards and laboratory research materials for in-vitro and laboratory research use only. They are not for human or animal consumption, therapeutic, clinical, diagnostic, dietary-supplement, dosing, injection, ingestion, or administration use. VNG is a chemical and research-materials supplier; it is not a compounding pharmacy or compounding facility under section 503A, and not an outsourcing facility under section 503B, of the Federal Food, Drug, and Cosmetic Act. By ordering, the customer certifies they are a qualified research customer, that they will not use these materials for human or animal consumption or administration, and that they accept the risks of handling, use, and distribution of research materials.

© 2026 VNG · Lab-tested by Vanguard · Purity ≥ 99% · CoA per lot

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Researcher verification

VNG supplies research-grade peptides exclusively to qualified researchers and laboratories for in vitro and laboratory use. Please confirm before continuing.

I am at least 21 years of age. I confirm I am a qualified researcher purchasing for in vitro / laboratory research only, not for human or veterinary use.

By proceeding you affirm the statements above are true. These statements have not been evaluated by the FDA. Products are not intended to diagnose, treat, cure, or prevent any disease. Full disclaimer.

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