Melatonin
Melatonin (CAS: 73-31-4), with the chemical formula C13H16N2O2, is a naturally occurring indoleamine and a key signalling molecule. Known for its role in regulating circadian rhythms and sleep-wake cycles, it is extensively researched for its potential applications in neurobiology and pharmacology. This compound serves as a valuable building block in chemical synthesis and is of interest in various fields of biological research.
- IUPAC
- N-Acetyl-5-methoxytryptamine

Neuroscience Research
Melatonin is crucial in studies related to sleep, circadian rhythms, and neuroprotection. Its neurochemical properties make it a subject of interest for understanding neurological processes and potential therapeutic interventions.
Cell Biology Studies
As a bioactive small molecule, Melatonin is utilised in cell biology to investigate cellular signalling pathways, antioxidant mechanisms, and cellular responses to environmental stimuli.
Chemical Synthesis Intermediate
The indole structure of Melatonin makes it a useful heterocyclic building block in organic synthesis, facilitating the creation of more complex molecules for research and development purposes.
Pharmacological Research
Melatonin is explored for its diverse pharmacological activities beyond sleep regulation, including antioxidant, anti-inflammatory, and potential anti-cancer effects, driving research in drug discovery.
| Molecular weight | 232.28 |
|---|---|
| Empirical formula | C13H16N2O2 |
| Assay | ≥99.5% |
| Solubility | ethanol: soluble50 mg/mL |
| Storage temperature | −20°C |
| Melting point | 116.5-118 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 2 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Melatonin used for?
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Melatonin is primarily used in research related to neuroscience, cell biology, and pharmacology, particularly for studies on circadian rhythms, sleep, and its antioxidant properties.
What is the CAS number and formula for Melatonin?
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The CAS number for Melatonin is 73-31-4, and its chemical formula is C13H16N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Melatonin with an assay of ≥99.5%. This product is intended for research and laboratory use; TSS does not represent it as USP, BP, or EP grade.
How should Melatonin be handled and stored?
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Melatonin should be handled with appropriate personal protective equipment, including eyeshields and gloves, and stored at -20°C. Refer to the safety data sheet for comprehensive handling information.
Is Melatonin a controlled substance?
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The provided data does not indicate that Melatonin (CAS 73-31-4) is a controlled substance.
How can I request a sample or quote for Melatonin?
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Please contact our sales team via the website or direct email to request a sample or a quotation for Melatonin.
How is Melatonin packed and shipped?
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Melatonin is carefully packed to ensure stability during transit and is available for export globally by Tech Serve Solutions.
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