Research Use Only
Oxytocin
· Reviewed by Aydan Myers, Lead Chemist · Evidence tier B
Oxytocin (OXT) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 50-56-6, formula C43H66N12O12S2, average MW 1007.2 Da, PubChem CID 439302. It is indexed as cyclic nonapeptide oxytocin receptor agonist.
Synonyms and vendor codes indexed here include OXT, Pitocin. This page does not describe administration or dosing.
Key facts
| CAS Registry Number | 50-56-6 |
|---|---|
| Molecular formula | C43H66N12O12S2 |
| Average molecular weight | 1007.2 Da |
| PubChem CID | 439302 |
| InChIKey | XNOPRXBHLZRZKH-DSZYJQQASA-N |
| Page type | Research identity monograph |
| Intended use | Research Use Only (reference) |
| Synonyms | OXT, Pitocin |
| Research notes | cyclic nonapeptide oxytocin receptor agonist |
| Evidence tier | B |
| Last verified | 2026-08-01 |
Is Oxytocin for human use?
No. Oxytocin (OXT) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
What is the CAS number of Oxytocin?
The CAS number of Oxytocin (OXT) is 50-56-6. Formula and molecular weight appear in the identity table when retrieved.
What is the molecular weight of Oxytocin?
The average molecular weight of Oxytocin (OXT) listed on Costides is 1007.2 Da.
Chemical identity table
| CAS Registry Number | 50-56-6 |
|---|---|
| Molecular formula | C43H66N12O12S2 |
| Average molecular weight | 1007.2 Da |
| PubChem CID | 439302 |
| InChIKey | XNOPRXBHLZRZKH-DSZYJQQASA-N |
| Synonyms | OXT, Pitocin |
Frequently asked questions
- What is Oxytocin?
- Oxytocin (OXT) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 50-56-6, formula C43H66N12O12S2, average MW 1007.2 Da, PubChem CID 439302. It is indexed as cyclic nonapeptide oxytocin receptor agonist. The CAS number of Oxytocin is 50-56-6. Research Use Only. Not for human or veterinary use.
- What is the CAS number of Oxytocin?
- The CAS number of Oxytocin (OXT) is 50-56-6. Formula and molecular weight appear in the identity table when retrieved.
- Is Oxytocin for human use?
- No. Oxytocin (OXT) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
- What is the molecular weight of Oxytocin?
- The average molecular weight of Oxytocin (OXT) listed on Costides is 1007.2 Da.
- Can I buy Oxytocin from Costides?
- Yes. Oxytocin may appear in the Costides catalog as a Research Use Only 10-pack when published. Check the product listing for SKU, price, and CoA lots.
- Where does identity data for Oxytocin come from?
- Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page.
Citations
- PubChem CID 439302
- CAS Common Chemistry 50-56-6
- Social and neuroendocrine phenotypes reprogrammed by endocrine-disrupting chemicals can be mitigated by Limosilactobacillus reuteri modulation of the gut microbiome-thyroid-oxytocin axis. PMID 42539130
- DOI for PMID 42539130 PMID 42539130
- Oxytocin receptor neurons in the adBNST modulate maternal-like behavior in mice. PMID 42533575
- DOI for PMID 42533575 PMID 42533575
- The effect of Midwifery continuity of care on maternal outcomes among women with psychosocial risk factors in Sweden: A registry-based cohort study. PMID 42531923
- DOI for PMID 42531923 PMID 42531923