Description
Oxytocin is a key neuropeptide that plays a dual role: it facilitates childbirth and lactation by promoting uterine contractions and milk release, and it also underpins social bonding, enhancing trust, empathy, and attachment. In addition to these foundational functions, oxytocin also influences sexual behavior by increasing arousal and strengthening pair bonds, making it a versatile regulator of both physical and emotional connection.
Oxytocin Research Details
Oxytocin is an extensively studied hypothalamic neuropeptide. Research spans oxytocin-receptor pharmacology, social-behavior models, reproductive biology, lactation/uterine smooth-muscle physiology, stress biology, and central/peripheral peptide signaling.
99%+ target purity or lot-specific COA value
Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2 (disulfide Cys1-Cys6)
Lyophilized research material unless otherwise specified by COA
Research use only
Research Background
Endogenous cyclic nonapeptide acting through the oxytocin receptor, a GPCR involved in calcium/phosphoinositide signaling and neuroendocrine regulation. Key OneBio research contexts include oxytocin-receptor assays, neuroendocrine biology, social-behavior models, and smooth-muscle signaling research.
Specifications
| Compound | Oxytocin |
| SKU / Product | oxytocin |
| Molecular Weight | ~1007.2 g/mol |
| Formula / Classification | C43H66N12O12S2 |
| Database / Identity Note | PubChem CID 439302 |
| Storage | -4°F long-term; 35-46°F short-term refrigerated; 39°F after reconstitution for up to 30 days when appropriate for the research protocol |
Quality Verification
Each batch should be reviewed against its Certificate of Analysis, including identity confirmation, purity method, mass/sequence or component confirmation, appearance, and lot-specific handling notes. Blend products should be checked against component-ratio documentation where available.
Laboratory Preparation
Prepare only inside a qualified laboratory using validated solvent choice, concentration, sterility, and storage protocols. For lyophilized peptides, use sterile deionized water or bacteriostatic water when appropriate for the research protocol, mix gently, maintain cold-chain handling, and avoid repeated freeze-thaw cycles.
Product-Specific Q&A
What is Oxytocin used for in research?
Oxytocin is used as a research material for oxytocin-receptor assays, neuroendocrine biology, social-behavior models, and smooth-muscle signaling research. It is not offered for diagnostic, therapeutic, clinical, veterinary, or human-use applications.
What mechanism is most relevant for Oxytocin?
Endogenous cyclic nonapeptide acting through the oxytocin receptor, a GPCR involved in calcium/phosphoinositide signaling and neuroendocrine regulation.
How should Oxytocin identity and purity be verified?
Use the lot-specific Certificate of Analysis to confirm identity, purity, mass/sequence or component profile, and any method-specific data such as LC-MS/HPLC. Technical values on this page are research references and should be checked against the delivered lot.
What storage conditions apply to Oxytocin?
-4°F long-term; 35-46°F short-term refrigerated; 39°F after reconstitution for up to 30 days when appropriate for the research protocol. Keep sealed, dry, protected from light, and avoid repeated freeze-thaw cycles after preparation.
References
- PMID 29897293: The Oxytocin Receptor: From Intracellular Signaling to Behavior. Physiological reviews 2018.
- PMID 35863332: Oxytocin, Vasopressin, and Social Behavior: From Neural Circuits to Clinical Opportunities. Endocrinology 2022.
- PMID 32912963: Is Oxytocin "Nature's Medicine"?. Pharmacological reviews 2020.

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