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Oxytocin research vial
Research compound

Oxytocin

Oxytocin is a cyclic nonapeptide hormone produced in the hypothalamus and released from the posterior pituitary, acting at the oxytocin receptor. It has been studied extensively in experimental models of social behavior, uterine and mammary smooth-muscle physiology and neuroendocrine signaling.

CAS Number50-56-6
Molecular FormulaC43H66N12O12S2
Molecular Weight1007.19 g/mol
Available as10mg
Latest lotOX070226 · Jul 31, 2026

For in-vitro laboratory research only. Not for human or veterinary use.

Reference data

CAS#50-56-6
FormulaC43H66N12O12S2
M.W.1007.19 g/mol
Research use only · not for human or veterinary use

Lab reports

Lot OX070226 · 10mg
Tested Jul 31, 2026
93.20% HPLCView

Storage & handling

Store lyophilized material at -20°C, protected from light and moisture.

Handle in a laboratory setting using appropriate personal protective equipment.

Questions about Oxytocin

What is Oxytocin?

Oxytocin is a cyclic nonapeptide hormone produced in the hypothalamus and released from the posterior pituitary, acting at the oxytocin receptor. It has been studied extensively in experimental models of social behavior, uterine and mammary smooth-muscle physiology and neuroendocrine signaling.

What is the CAS number of Oxytocin?

The CAS registry number of Oxytocin is 50-56-6.

What is the molecular formula and weight of Oxytocin?

Molecular Formula: C43H66N12O12S2. Molecular Weight: 1007.19 g/mol.

How is Oxytocin tested?

Every lot of Oxytocin is analysed by an independent, third-party laboratory using HPLC for identity and purity. The Certificate of Analysis for each lot — lot number, test date and result — is published and listed on this page.

How should Oxytocin be stored?

Store lyophilized material at -20°C, protected from light and moisture.

Is Oxytocin for human use?

No. Oxytocin is sold strictly for in-vitro laboratory research by qualified researchers aged 21 and over. It is not for human or veterinary use and is not a drug, food, supplement or cosmetic.

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