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A pack of 10 vials of Oxytocin acetate 2mgPack of 10

Lyophilised powder. Requires bacteriostatic water or dilute acetic acid for reconstitution.

Product images are illustrations. The vials you receive may look different from the ones pictured. The compound, the strength and the count are what the listing says.

Research peptide

Oxytocin acetate

In the catalogue

Research use only. Not for human or veterinary consumption. 18+.

Available as 2mg, 10mg, sold by the 10-vial kit. The price falls as the total kits in your basket rise, counted across every compound.

2mg OT2
$88 per 10-vial pack $8.80 per vial $4.40 per mg
10mg OT10
$355 per 10-vial pack $35.50 per vial $3.55 per mg
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Set a quantity against any strength. Your tier is set by the total kits in your basket across every compound, not per line, so keep adding across the catalogue and the discount follows. Supplies and gram sizes price differently — the ladder is published in full.

  • PresentationLyophilised powder
  • Units per kit10 vials
  • Minimum orderOne 10-vial kit
  • Shipping$79, free over $1,500
  • Third-party testComing soon
  • Importer of recordYou — check what you may import

Research use only. Not for human or veterinary consumption. 18+.

Details

What it is

A nine-residue cyclic peptide with a disulfide bridge between its two cysteines, produced in the hypothalamus. One of the first peptide hormones to be sequenced and synthesised, work that won a Nobel prize in 1955. Supplied here as the acetate salt.

Also sold as: oxytocin, alpha-hypophamine

  • As suppliedLyophilised powder.
  • Into solutionBacteriostatic water. The disulfide bridge is sensitive to reducing conditions.

Class: Neuropeptides and peptide bioregulators.

Reconstitution and handling

Handling

  • As suppliedLyophilised powder
  • Sealed, refrigeratedMonths
  • In solutionRefrigerate, use short-term

Concentration is mass divided by the volume you added. A 2mg vial made up to one millilitre of solvent gives 2mg per millilitre; to two millilitres, half that. Record the volume you used: a solution whose concentration is not written down is a solution you cannot use quantitatively.

The full procedure is on our reconstitution guide, with a concentration calculator; what is known about keeping these materials is on storage and stability. Bacteriostatic water and acetic acid are both in our catalogue and can be ordered with a product or on their own.

Bulk pricing

Your tier is set by the total kits in your basket across every compound, not per line. The full ladder is published on our bulk pricing page: nothing is gated, there is no code to enter and nothing to apply for.

KitsPer kitYou save
1$88—
2–5$7910% off, save $9 per kit
6–15$7020% off, save $18 per kit
16+$6625% off, save $22 per kit

Identity

Chemical structure depiction of Oxytocin acetate, from PubChem compound 12004215
Structure depiction from PubChem, compound 12004215. Public domain.
Molecular formula
C45H70N12O14S2
Molar mass
1067.2 g/mol
CAS number
6233-83-6
PubChem CID
12004215
InChIKey
DSZOEVVLZMNAEH-BXUJZNQYSA-N

Source: PubChem, compound 12004215, read 2026-09-12. We publish no purity figure or lot number of our own.

Research use only. Not for human or veterinary consumption. 18+.