Oxytocin
$55.99
Oxytocin (oxytocin acetate) is a synthetic nine-amino-acid peptide supplied as a research-grade reference compound for laboratory research use only. Not for human or veterinary use.
Lab: Freedom Diagnostics (independent third party). Certificates are batch-specific; the lot shown is the current shipping lot for the selected size.
Description
Oxytocin Acetate, 10mg
Oxytocin is a synthetic cyclic nonapeptide, supplied in the acetate salt form, offered strictly as a research-grade reference compound for in-vitro and laboratory research use only. Its nine amino acids are closed into a ring by a disulfide bond between two cysteines. One of the most widely referenced peptides in the literature, commonly used as a model peptide in receptor-binding, peptide-chemistry, and analytical research. This listing describes the compound’s identity and role as a laboratory research reagent. It makes no claim regarding any physiological effect in humans and is not offered for any therapeutic, clinical, or diagnostic purpose.
Identity
| Form supplied | Oxytocin acetate |
| Sequence | Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2, disulfide bridge Cys1 to Cys6 |
| Length | 9 amino acids |
| Molecular formula (free peptide) | C43H66N12O12S2 |
| Molecular weight (free peptide) | 1007.2 g/mol |
| CAS number | 50-56-6 |
| PubChem CID | 439302 |
| Vial | 10mg, lyophilized powder |
Current lot
Oxytocin lot OXY1002 was tested by Freedom Diagnostics on May 16, 2026: 99.38% purity by HPLC-UV, identity by LC-MS, and endotoxin cleared. Per-lot third-party test results are published openly, starting with the certificate for lot OXY1002.
Storage
Oxytocin acetate ships sealed and dry. Keep it away from light, and put it in the fridge (2 to 8°C) if it will be stored for a while.
Questions
Casey can walk you through the certificate or confirm which lot you’ll receive. support@fitaminos.com or call 949-892-9866.
FAQ
Why “oxytocin acetate”?
The peptide is supplied as its acetate salt, which is the form the lab tested.
Why is the formula given for the free peptide?
PubChem lists oxytocin itself. The acetate salt adds the counterion, so its total weight is slightly higher.
Important notice. This product has not been evaluated by the FDA. It is not a drug, supplement, or food, and is not intended to diagnose, treat, cure, or prevent any disease or condition. It is sold exclusively for laboratory research and analytical purposes by qualified researchers.







