Peptide Lab HQ Research Guide
Oxytocin
A research-focused compound profile covering Oxytocin identity, oxytocin receptor signaling, neuroendocrine pathway research, uterine smooth-muscle models, lactation physiology research, CNS/social-behavior models, concentration reference, reconstitution reference, and safety considerations.
Compound Data
Compound Profile
| Compound Name | Oxytocin |
|---|---|
| Common Synonyms | Oxytocic hormone, synthetic oxytocin, OXT, CYIQNCPLG-NH₂ |
| Compound Type | Cyclic nonapeptide hormone / neuroendocrine research peptide |
| CAS Number | 50-56-6; verify against supplier COA |
| PubChem CID | 439302 |
| Amino Acid Length | 9 amino acids |
| Amino Acid Sequence | Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH₂ |
| Short Sequence | CYIQNCPLG-NH₂ |
| Structural Feature | Cyclic peptide with Cys1-Cys6 disulfide bridge and C-terminal amidation |
| Molecular Formula | C₄₃H₆₆N₁₂O₁₂S₂; verify against supplier COA |
| Molecular Weight | Approximately 1007.2 g/mol; verify against supplier COA |
| Research Category | Oxytocin receptor signaling, neuroendocrine signaling, uterine smooth-muscle research, lactation physiology, CNS/social-behavior research, stress-response models, and reproductive physiology research |
| Research Context | Commonly discussed in controlled research involving oxytocin receptor activation, smooth-muscle contraction, myoepithelial contraction, bonding/social-behavior models, stress-response pathways, and neuroendocrine signaling. |
| Appearance | White to off-white lyophilized powder, depending on supplier documentation |
| Use | For laboratory research use only. |
Research Applications
Key Research Applications
Oxytocin is commonly discussed in controlled research models involving oxytocin receptor signaling, neuroendocrine response, uterine smooth-muscle contraction, lactation physiology, myoepithelial contraction, social-behavior research, stress-response pathways, bonding models, and CNS signaling.
Oxytocin Receptor Research
Oxytocin is commonly studied through oxytocin receptor signaling, including smooth-muscle, reproductive tissue, neuroendocrine, and CNS pathway contexts.
Uterine Smooth-Muscle Models
Used in research involving myometrial contraction, intracellular calcium signaling, prostaglandin-related pathways, uterine tone, and reproductive physiology.
Lactation Physiology Research
Oxytocin is commonly discussed in milk-ejection research involving myoepithelial contraction, mammary gland response, and neuroendocrine reflex signaling.
CNS / Social-Behavior Models
Oxytocin has been evaluated in research involving social cognition, trust, bonding, emotional processing, autism-spectrum study contexts, and behavioral-response models.
Stress-Response Research
Relevant to research involving hypothalamic signaling, autonomic response, anxiety-related behavior, cortisol-context models, and neuroendocrine stress pathways.
Prescription-Context Safety Research
Oxytocin prescription products are used in obstetric settings under medical monitoring, making safety, concentration, and administration-context distinctions especially important.
Research Scope
These applications are provided for educational and research-reference purposes only. Research outcomes may vary based on peptide form, route, concentration, receptor expression, tissue model, timing, study design, and laboratory conditions.
Reference Only
Reconstitution / Research Dosing Reference
Select Reference Vial
Select a vial size to update the concentration, U-100 unit references, and frequency table below.
Quick Reference Summary
| Reference Vial | 2 mg Oxytocin |
|---|---|
| Primary Solution Volume | 2.0 mL bacteriostatic water |
| Primary Concentration | 1 mg/mL |
| Measurement Reference | On a U-100 syringe, 1 unit = 0.01 mL. |
| Amount per U-100 Unit | At 1 mg/mL, 1 unit equals 0.01 mg / 10 mcg Oxytocin. |
| Storage Reference | Refrigerate at 2–8°C / 35.6–46.4°F after reconstitution, protected from direct light. |
Reconstitution Steps
- Draw 2.0 mL bacteriostatic water using a sterile syringe for the main concentration reference shown below.
- Slowly add the BAC water down the side of the vial wall.
- Gently roll or swirl the vial until the material is completely dissolved. The solution should appear clear. Do not shake!
- Label with compound name, vial amount, concentration, solvent volume, preparation date, storage conditions, and handling notes.
- Store refrigerated at 2–8°C / 35.6–46.4°F, protected from direct light.
Published Research Context
| Reference Type | Reported Amount / Context | Research Notes |
|---|---|---|
| Compound Identity Reference | Oxytocin, commonly abbreviated OXT or OT | Oxytocin is commonly discussed as a cyclic nonapeptide neuropeptide associated with hypothalamic synthesis and posterior pituitary release. |
| Oxytocin-Receptor Research | Model-dependent concentration and endpoint tracking | Commonly discussed in oxytocin receptor, receptor-binding, intracellular signaling, neuroendocrine, and pathway-response research contexts. |
| Neuroendocrine Research Context | Hypothalamic / posterior pituitary signaling context | Oxytocin is commonly studied in relation to hypothalamic neuropeptide signaling, posterior-pituitary hormone release, pituitary-axis marker observation, and central nervous system response models. |
| Reproductive-Axis Research | Experimental and model-dependent context | Oxytocin-related research commonly includes reproductive-axis, uterine-response, lactation-marker, smooth-muscle, and peptide-hormone signaling models. |
| Behavioral / Social-Neuropeptide Research | Model-dependent CNS and behavioral research context | Oxytocin is frequently discussed in social-behavior, bonding, stress-response, anxiety-related, reward-pathway, and social-recognition research models. |
| Metabolic / Stress-Response Research | Experimental and model-dependent context | Oxytocin-system research has also appeared in energy-homeostasis, metabolic-marker, food-intake, autonomic-response, and stress-axis research contexts. |
| Unit-Based Clinical Context | Clinical oxytocin products are often discussed in international units rather than mg | This research-chemical reference uses mg/mcg concentration math only. IU conversion is not included because potency/unit assignment depends on supplier standardization, assay basis, and product format. |
| Clinical / Research-Chemical Status | No universal research-chemical protocol established | Published study references, public protocol-style references, clinical-use references, or wellness protocols should not be treated as dosing instructions for research-chemical vial formats. |
Concentration Reference
| Vial Amount | Solution Volume | Final Concentration |
|---|---|---|
| 2 mg | 2.0 mL | 1 mg/mL |
| 5 mg | 2.0 mL | 2.5 mg/mL |
| 10 mg | 2.0 mL | 5 mg/mL |
Research Dosing Amount / Volume Reference
| Reference Amount | Volume at 1 mg/mL | U-100 Unit Reference | Approx. References per 2 mg Vial |
|---|---|---|---|
| 10 mcg | 0.01 mL | 1 unit | 200 |
| 25 mcg | 0.025 mL | 2.5 units | 80 |
| 50 mcg | 0.05 mL | 5 units | 40 |
| 100 mcg | 0.10 mL | 10 units | 20 |
| 0.25 mg / 250 mcg | 0.25 mL | 25 units | 8 |
| 0.5 mg / 500 mcg | 0.50 mL | 50 units | 4 |
| 1 mg / 1000 mcg | 1.00 mL | 100 units | 2 |
Research Frequency / Amount Reference
| Research Window | Frequency | Reference Amount | Units / Volume Reference |
|---|---|---|---|
| Low Microgram Conversion Reference | Calculation reference only | 10 mcg reference amount | 1 unit / 0.01 mL |
| Lower Microgram Reference | Public protocol-style reference, not a clinical dosing standard | 25 mcg reference amount | 2.5 units / 0.025 mL |
| Standard Microgram Reference | Public protocol-style reference, not a clinical dosing standard | 50 mcg reference amount | 5 units / 0.05 mL |
| Mid-Range Conversion Example | Public protocol-style reference, not a clinical dosing standard | 100 mcg reference amount | 10 units / 0.10 mL |
| Upper Conversion Example | Calculation reference only | 250 mcg reference amount | 25 units / 0.25 mL |
| High Conversion Example | Calculation reference only | 0.5 mg reference amount | 50 units / 0.50 mL |
| Preparation-Level Conversion Example | Calculation reference only | 1 mg reference amount | 100 units / 1.00 mL |
Common Research Windows
| Reference Window | Common Length | Research Notes |
|---|---|---|
| Cell-Culture / Receptor Observation Window | 24–72 hours | May be used for oxytocin-receptor signaling, intracellular calcium, pathway-response, receptor-binding, or cellular-response documentation depending on the model. |
| Acute Neuroendocrine Observation Window | Single session to several days | Used for short-term neuroendocrine-marker comparison, receptor-response timing, stress-marker observation, or early pathway tracking depending on the research design. |
| Short Research Window | 1–2 weeks | May be used for early controlled observation involving social-behavior, reproductive-axis, stress-response, metabolic-marker, or neuroendocrine endpoints. |
| Standard Protocol-Style Window | 2–4 weeks | Commonly used in public protocol-style references for structured observation and comparison across baseline and follow-up periods. |
| Extended Observation Window | 4–8 weeks | Used when longer documentation is needed for receptor-response trends, behavioral-model tracking, stress-axis context, metabolic-response, or follow-up marker documentation. |
| Follow-Up / Washout | 1–4 weeks | Used to document post-study observations, marker return, delayed response patterns, or follow-up data depending on the research model. |
Research Note: These tables are provided for educational, research-planning, concentration, frequency-reference, and volume-reference purposes only. Oxytocin is commonly discussed in oxytocin-receptor, hypothalamic neuropeptide, posterior-pituitary hormone, neuroendocrine, reproductive-axis, social-behavior, stress-response, metabolic-marker, and smooth-muscle signaling research contexts. The selector above updates calculations for 2 mg, 5 mg, and 10 mg vial references, each reconstituted with 2.0 mL bacteriostatic water. This reference uses mg/mcg calculations only and does not convert to international units, because IU conversion depends on product-specific potency assignment and assay standardization. Published study references, clinical-use references, and public protocol-style frequency references are not universal research-chemical dosing standards and should not be treated as dosing instructions for research-chemical vial formats. This information is not medical advice, dosing instruction, injectable-use guidance, or a recommendation for human or animal use.
Research Notes
Research Findings & Safety Notes
Research Findings
Oxytocin is commonly discussed in research involving oxytocin receptor activity, uterine smooth-muscle signaling, lactation physiology, myoepithelial contraction, neuroendocrine response, social cognition, bonding, stress response, and CNS pathway models.
Study Limitations
Oxytocin research includes prescription obstetric use, cell and tissue models, animal research, intranasal human behavioral studies, and neuroendocrine research. Findings should be interpreted according to route, dose unit, peptide form, receptor expression, sex, physiological state, and study design.
Safety Considerations
Research discussion should account for uterine activity, cardiovascular response, water-retention and hyponatremia risk, receptor-mediated smooth-muscle effects, behavioral-study limitations, peptide purity, sterility documentation, storage conditions, and qualified laboratory handling procedures.
Use Restriction
Not for human or animal consumption. Not intended to diagnose, treat, cure, or prevent any disease when discussed as a research-use material.
Related Supplies
Research Supplies
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Bacteriostatic Water
Commonly referenced in laboratory preparation workflows.
Research Syringes
Supply category for controlled laboratory research preparation.
Prep Supplies
Supporting supplies for clean handling, preparation, and documentation.
Lab Handling
Handling & Storage
Storage
Store materials according to product-specific requirements. Protect from excessive heat, moisture, and direct light.
After Reconstitution
Keep refrigerated after reconstitution unless otherwise specified by the product documentation.
Handling
Use appropriate laboratory PPE, clean handling practices, and qualified research procedures.
Documentation
Maintain batch details, COA records, preparation notes, and internal research documentation.