Melanotan II
Melanotan II is a synthetic cyclic heptapeptide analogue of alpha-MSH. It is commonly referenced in melanocortin receptor research, peptide-receptor interaction studies and cyclic peptide structure-function work.

Product Overview
Melanotan II is a synthetic cyclic heptapeptide analogue of alpha-MSH. It is commonly referenced in melanocortin receptor research, peptide-receptor interaction studies and cyclic peptide structure-function work. This material is supplied as a high-purity lyophilised research compound for qualified in vitro scientific investigation.
Product Specification
The following information is provided for research-catalogue and product specification purposes only. Batch-specific identity, purity, salt form and analytical values should be confirmed against the relevant Certificate of Analysis.
| What it is | Melanotan II is a synthetic cyclic heptapeptide analogue of alpha-MSH. It is commonly referenced in melanocortin receptor research, peptide-receptor interaction studies and cyclic peptide structure-function work. This material is supplied as a high-purity lyophilised research compound for qualified in vitro scientific investigation. |
|---|---|
| Sequence | Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2 |
| Molecular weight | 1024.2 g/mol |
| Product family | Melanocortin peptide analogue |
| Research classification | Synthetic cyclic peptide; melanocortin receptor research compound |
| Form | Lyophilised powder |
| Appearance | White to off-white powder |
| Fill quantity | 10mg |
| Container type | Sterile sealed glass vial |
| Storage | Store dry, protected from light at -20°C. Avoid repeated freeze/thaw cycles after reconstitution. |
| Synonyms | Melanotan II; MT-II; MT2 |
| CAS number | 121062-08-6 |
| Molecular form / formula | C50H69N15O9 |
| Molecule form | Cyclic amidated peptide; salt form COA-specific |
| Purity | Recommended product standard: >=98% by HPLC; confirm by batch COA |
| Analysis method | HPLC and LC-MS / MS confirmation |
Certificate of Analysis
Each compound is accompanied by third-party analytical documentation where available. Certificates confirm purity, identity and chromatographic analysis against the supplied batch.
Shipping Information
All orders ship from within Brazil and are typically processed within 1–2 business days of confirmed payment. Delivery time and cost depend on the state and the service available there (PAC, SEDEX, or motoboy) and are shown at checkout. All shipping is tracked and discreetly packaged.
Storage & Handling
Store dry, protected from light at -20°C. Avoid repeated freeze/thaw cycles after reconstitution.
| Form | Lyophilised powder |
|---|---|
| Appearance | White to off-white powder |
| Container type | Sterile sealed glass vial |
| Storage & Handling | Store dry, protected from light at -20°C. Avoid repeated freeze/thaw cycles after reconstitution. |
Research-Use-Only Notice
All products are supplied by Peptídeos Brasil for research use only. They are not licensed as pharmaceuticals and are not promoted as, or intended to diagnose, treat, cure, prevent or mitigate any disease or medical condition in humans or animals. They are not intended for human or animal consumption and are not intended for cosmetic, nutritional or recreational use.
By purchasing, the purchaser confirms that they are a qualified individual acting for legitimate research purposes only and accepts our Terms and Conditions and Research Use Policy.
Peptídeos Brasil supplies research-grade peptides to laboratories and researchers across Brazil, with tracked delivery in around 3 working days and pricing in Brazilian reais. Every compound ships with a batch-specific certificate of analysis and is sold strictly for research use only — not for human or veterinary use.



