Description
Product Description
Atosiban Acetate is a synthetic peptide antagonist of oxytocin and vasopressin receptors, developed for experimental research focused on peptide–receptor interactions and neuroendocrine signaling mechanisms. Its defined amino acid sequence and receptor selectivity make it a valuable research tool in studies involving uterine signaling, smooth muscle regulation, and hormone-mediated pathways.
In laboratory research, Atosiban Acetate is widely used to investigate oxytocin receptor (OXTR) and vasopressin V1a receptor–mediated signaling. By selectively modulating receptor activation, researchers can explore downstream intracellular pathways, receptor binding dynamics, and functional responses under controlled experimental conditions.
The peptide is frequently applied in in vitro assay systems to study receptor antagonism, signal transduction modulation, and comparative peptide activity. In selected in vivo research models, Atosiban Acetate supports investigation into hormone-regulated smooth muscle activity and neuroendocrine communication.
Supplied as a high-purity lyophilized powder, Atosiban Acetate enables reproducible experimental design and consistent data generation. Each production batch undergoes analytical verification to ensure identity, purity, and batch-to-batch consistency suitable for advanced research applications.

Product Specifications
| Item | Description |
|---|---|
| Product Name | Atosiban Acetate |
| Synonyms | Atosiban acetate salt |
| CAS Number | 90779-69-4 |
| Molecular Formula | C43H67N11O12S2 |
| Molecular Weight | ~994.2 g/mol |
| Amino Acid Sequence | Synthetic peptide (nonapeptide analog) |
| Peptide Type | Synthetic peptide antagonist |
| Form | Lyophilized powder |
| Purity | ≥99% (HPLC) |
| Strength Options | Customizable (mg scale) |
| Appearance | White to off-white powder |
| Identity Verification | HPLC, MS |
| Solubility | Soluble in water or suitable buffers |
| Packaging | Sterile glass vial |
| Storage Condition | −20 °C, protected from light |
| Intended Use | Research use only |
Applications
Atosiban Acetate is used exclusively for scientific and experimental research related to peptide receptor signaling.
Representative research applications include:
Oxytocin receptor signaling studies
Vasopressin V1a receptor pathway research
Neuroendocrine signaling investigations
Smooth muscle receptor modulation studies
Peptide antagonist mechanism research
In vitro receptor binding assays
Comparative peptide signaling studies
These applications position Atosiban Acetate as a reference antagonist peptide in receptor-focused research programs.

Packaging
The product is supplied in sterile, sealed glass vials containing lyophilized peptide material. Bulk packaging and customized specifications are available to support laboratory and institutional research needs.
Storage & Transportation
Store at −20 °C in a dry, light-protected environment. Avoid repeated freeze–thaw cycles. Cold-chain transportation is recommended to preserve peptide integrity during shipment.
Inquiry & Technical Consultation
For Certificates of Analysis, batch documentation, or technical consultation related to Atosiban Acetate, please submit an inquiry through the contact form. Technical support is available for qualified research users.
Disclaimer
This product is intended for research use only.
Not for human or veterinary use.
All handling and experimental applications must comply with applicable laboratory and regulatory requirements.



lillalukacs –
Documentation and labeling were clear and well prepared.
Candy Kim –
The box exceeded my expectations.