Molekula
Melatonin USP RS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Melatonin USP RS is a hormone that regulates sleep-wake cycles, widely used in dietary supplements, pharmaceuticals, and sleep aid formulations for its role in circadian rhythm modulation. This high-purity compound meets USP and RS (Reagent Grade) standards, ensuring consistency and safety for sensitive applications. Key specifications include a CAS number of 73-31-4, molecular formula C13H16N2O2, and a molecular weight of 232.28. It requires cold storage between -15 to -20°C and carries no hazard classification. Molekula supplies Melatonin USP RS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Flash Point | 264 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White-cream to yellowish crystalline powder |
| Melting Point | 117 °C |
| log P (octanol/water) | 1.18 |
Source: PubChem CID 896 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 90032703 |
| CAS Number | 73-31-4 |
| IUPAC Name | N-[2-(5-methoxy-1H-indol-3-yl)ethyl]acetamide |
| EC Number | 200-797-7 |
| Molecular Formula | C13H16N2O2 |
| Molecular Weight | 232.28 |
| Exact Mass | 232.1212 |
| SMILES | CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC |
| InChIKey | DRLFMBDRBRZALE-UHFFFAOYSA-N |
| InChI | InChI=1S/C13H16N2O2/c1-9(16)14-6-5-10-8-15-13-4-3-11(17-2)7-12(10)13/h3-4,7-8,15H,5-6H2,1-2H3,(H,14,16) |
| PubChem CID | 896 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2937909000 |
| Tariff Code | 2937900000 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 5-Methoxy-N-acetyltryptamine
- Acetamide, N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-
- Circadin
- Melapure
- Melatol
- Melatonin
- Melatonine
- Melovine
- N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]acetamide
- N-Acetyl-5-methoxytryptamine
Frequently asked questions
What is Melatonin USP RS used for?
Melatonin USP RS is primarily used as a dietary supplement for regulating sleep-wake cycles, jet lag, and circadian rhythm disorders. It may also be used in research and pharmaceutical formulations.
What is the chemical formula and molecular weight of Melatonin USP RS?
The chemical formula is **C13H16N2O2** and the molecular weight is **232.28 g/mol**.
How should Melatonin USP RS be stored?
Store at **-15 to -20°C** to maintain stability and potency.
What grade of Melatonin is USP RS?
USP RS (Reference Standard) grade ensures high purity and consistency for analytical reference purposes, meeting USP monograph specifications.
Can Molekula supply Melatonin USP RS in bulk quantities?
Yes, Molekula can supply Melatonin USP RS in bulk, with quantities tailored to your research, manufacturing, or commercial needs.
What documentation comes with an order of Melatonin USP RS?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.