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Hormones / Pituitary and posterior hormones

30 In the index

Oxytocin OXT

An FDA-approved hormone (Pitocin) used to help start or strengthen labor contractions, also widely studied for its role in bonding, trust, and easing anxiety. Its use in childbirth is very well proven; its effects on emotions and behavior are more mixed and depend a lot on the situation and the person.

Also known as Pitocin, Endopituitrina, Ocytocin, Syntocinon, Oxytocinum, Orasthin, Oxitocina

Effects Libido Mood
Routes Injectable Nasal
Legal status Prescription drug
WADA Not listed

Molecular Structure of C43H66N12O12S2

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  • Carbon
  • Hydrogen
  • Nitrogen
  • Oxygen
  • Sulfur

PubChem has no 3D conformer for this molecule, so this is the flat structure.

Chemistry

Formula
C43H66N12O12S2
Molar mass
1007.2
CAS
50-56-6
PubChem CID
439302
IUPAC name
(2S)-1-[(4R,7S,10S,13S,16S,19R)-19-amino-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-13-[(2S)-butan-2-yl]-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]-N-[(2S)-1-[(2-amino-2-oxoethyl)amino]-4-methyl-1-oxopentan-2-yl]pyrrolidine-2-carboxamide
InChIKey
XNOPRXBHLZRZKH-DSZYJQQASA-N

Reported dosing

Approved label

What has been reported in the literature and by users. This is a record of what is done, not a recommendation.

Typical dose 10 units per dose (clinical, labor/postpartum use)
Reported range Highly protocol-specific in clinical use; off-label intranasal 'social bonding' doses of 20-40 IU also reported
Route IV infusion (clinical) or intranasal (off-label)
Frequency Per clinical protocol, or once/twice daily (off-label intranasal use)
Duration Single administration/short infusion (clinical) or ongoing (off-label use)

FDA-approved (Pitocin) for labor induction and postpartum hemorrhage control under medical supervision; off-label intranasal use for social/emotional effects is unregulated and evidence is mixed.

Where this comes from FDA prescribing information; off-label clinical research

These figures are recorded for reference and are not a recommendation. Dosing is a decision for you and a clinician.