Cat. No. 3550

Melatonin C13H16N2O2 [73-31-4]

Price and Availability

For Melatonin pricing & availability please select your country from the drop down menu:
By clicking submit you agree to accept a cookie from Tocris Bioscience. For details, please read our privacy and cookie policy.

Chemical Name: N-Acetyl-5-methoxytryptamine

Biological Activity

Endogenous hormone that acts as an agonist at melatonin receptors MT1 and MT2. Exhibits a prominent role in the control of circadian rhythm, displays immunomodulatory activity and acts as a powerful antioxidant in vivo.

Technical Data

Soluble to 50 mM in DMSO
>99 %
Store at -20°C

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet


Bubenik (2008) Thirty four years since the discovery of gastrointestinal melatonin. J.Physiol.Pharmacol. 59 33. PMID: 18812627.

Fischer et al (2008) Melatonin as a major skin protectant: from free radical scavenging to DNA damage repair. Exp.Dermatol. 17 713. PMID: 18643846.

Cardinali et al (2009) Melatonin and melatonergic drugs on sleep: possible mechanisms of action. Int.J.Neurosci. 119 821. PMID: 19326288.

If you know of a relevant citation for this product please let us know.

View Related Products by Target

Keywords: Melatonin, supplier, Endogenous, hormone, agonists, MT1, MT2, Receptors, Melatonin, circadian, rhythms

Quick Order

Find multiple products by catalog number

divider line

New Product E-alerts

Sign up for email updates from Tocris


Enter your email address below to sign up to receive our email updates:

divider line

New Products in this Area


Potent prostacyclin (PGI2) analog

S 18886

Potent thromboxane A2 (TP) antagonist


Potent Smo antagonist

ONO 8130

EP1 receptor antagonist

TC-G 1008

Potent and selective GPR39 agonist

Ro 1138452 hydrochloride

Selective prostacyclin IP receptor antagonist

JNJ 27141491

Potent and selective human CCR2 antagonist

TY 52156

S1P3 receptor antagonist

Sign-up for new product e-alerts
divider line

Bio-Techne Events

Pharmacology 2015

Pharmacology 2015

December 15 - 17, 2015

London UK