Oxytocin
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Oxytocin is an endogenous nonapeptide hormone used in research to study oxytocin receptor (OXTR) signaling, GPCR-mediated pathways, and neuroendocrine modulation.
CAS: 50-56-6
UNII: 1JQS135EYN
PubChem CID: 439302
Molecular formula: C43H66N12O12S2
Peptide length: 9 amino acids (nonapeptide)
Structure note: Intramolecular disulfide bond (cyclic peptide scaffold)
Sequence (common representation): CYIQNCPLG-NH2 (disulfide between Cys1–Cys6)
For research use only. Not for therapeutic or diagnostic applications.
COA Presented By Dani Cali/Haus of Peps
Oxytocin — Technical Data
Name: Oxytocin
CAS: 50-56-6
UNII: 1JQS135EYN
PubChem CID: 439302
Molecular formula: C43H66N12O12S2
Molecular weight: 1007.19 g/mol
Molecule type: Cyclic peptide hormone (nonapeptide)
Peptide length: 9 amino acids
Net charge (physiological): Typically +1 (prep/pH dependent)
Key structural feature: Intramolecular disulfide bond Cys1–Cys6
Sequence / Structure
Sequence (1-letter): CYIQNCPLG-NH2
Sequence (3-letter): Cys–Tyr–Ile–Gln–Asn–Cys–Pro–Leu–Gly–NH2
Cyclization: Disulfide bridge between Cys1 and Cys6
Research Target
Primary receptor: OXTR (oxytocin receptor)
Common signaling readouts: GPCR activation markers (often Ca²⁺/PLC-IP3 pathway-linked), receptor binding/activation kinetics
For research use only. Not for therapeutic or diagnostic applications.
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