Description
Oxytocin 2mg from Evolve Peptides is 2mg of Oxytocin in a sealed glass vial. Oxytocin is a neuropeptide hormone. It’s for in-vitro and lab research only.
About Oxytocin
Oxytocin is a nine-amino-acid hormone made in the hypothalamus and released by the posterior pituitary. It controls uterine contraction and milk release, and acts in the brain on social behavior.
Synthetic oxytocin is an approved obstetric drug.
How Oxytocin works
Oxytocin acts on the oxytocin receptor, a G-protein coupled receptor found in the uterus, breast tissue and many brain regions.
In the body it triggers contractions and milk letdown. In the brain it’s involved in social recognition, bonding and stress responses, which is what most current research is about.
Oxytocin 2mg specifications
- Compound: Oxytocin
- CAS number: 50-56-6
- Molecular formula: C43H66N12O12S2
- Molar mass: 1,007.2 g/mol
- Sequence: Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2 (disulfide bridge)
- Amount: 2mg per vial
- Form: lyophilized (freeze-dried) powder
- SKU: EVP-OXY-2
- Use: laboratory research only
What the research says about Oxytocin
Intranasal oxytocin has been widely studied for social cognition, with mixed and debated results.
Kosfeld and colleagues’ 2005 Nature paper on trust is one of the best-known studies.
To read the papers yourself, start with this PubMed search for Oxytocin.
How to reconstitute Oxytocin 2mg
The volume of water you add sets the concentration. For a vial holding 2mg:
- 1ml of bacteriostatic water gives 2mg/ml
- 2ml of bacteriostatic water gives 1mg/ml
Choose the volume that suits your measurements. Mark the vial with the concentration and date so nobody has to guess later.
Use sterile bacteriostatic water. Warm the sealed vial to room temperature first so no condensation gets in, add the water slowly along the glass wall, and swirl gently until it’s clear. Never shake.
Storage and shelf life
Unopened, keep Oxytocin 2mg in a fridge at 2 to 8°C, or in a freezer at -20°C if it’ll be a while before you use it. Keep it out of direct light. Once mixed, keep it refrigerated and use it within about 28 days, which is how long bacteriostatic water stays good after opening.
Oxytocin 2mg lab reports and purity
The product photos for Oxytocin 2mg include:
- A certificate of analysis with identity, measured quantity and HPLC purity.
- An endotoxin report from a kinetic LAL assay.
Click any image to zoom in on the numbers. A few reports cover another Oxytocin vial size made at the same time. Purity applies across sizes, while the quantity result is for the one the lab actually measured.
Other Oxytocin sizes
- Oxytocin 2mg (this page): 2mg for $25.00, about $12.50 per mg
- Oxytocin 5mg: 5mg for $35.00, about $7.00 per mg
- Oxytocin 10mg: 10mg for $55.00, about $5.50 per mg
Oxytocin 2mg is the entry size, handy when you only need a little or want to try Oxytocin before committing to a bigger vial.
Peptides often ordered with Oxytocin
- Kisspeptin-10 10mg, neuropeptide
- PT-141 10mg, melanocortin agonist
Browse the full hormone peptides range, or see every vial on our research peptides page.
Oxytocin 2mg FAQ
How much is in the Oxytocin 2mg vial?
2mg of lyophilized powder. The amount is printed on the label.
Can Oxytocin be used in people or animals?
No. It’s sold for laboratory research only and isn’t approved for human or veterinary use.
Is it in stock?
Yes, Oxytocin 2mg is in stock now.
Is Oxytocin 2mg lab tested?
Yes. The lab reports are in the product photos, so you can check purity before you order.
Which size should I buy?
Pick by how much you’ll use. Bigger vials cost less per milligram, smaller ones mean less sits open in the fridge. The size comparison above lists every Oxytocin option.
Order Oxytocin 2mg today
Order Oxytocin 2mg now for $25.00. It’s in stock, and checkout takes about two minutes. Add a vial of bacteriostatic water if you don’t have any, so you’re ready to reconstitute when it arrives.
Need more for the same project? See the rest of our hormone peptides.
For laboratory research use only. Not for human or veterinary use. Not evaluated by the FDA.









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