Description
Our Melanotan II 10mg vial holds 10mg of lyophilized Melanotan II, a cyclic melanocortin agonist. It’s for in-vitro and lab research only.
What is Melanotan II?
Melanotan 2 (Melanotan II) is a cyclic seven-amino-acid peptide based on alpha-melanocyte stimulating hormone. A ring structure makes it far more stable than the natural hormone.
It acts on several melanocortin receptors at once, MC1R through MC5R. MC1R controls skin pigment, which is why it’s studied for tanning, and its effects on MC4R led to the development of PT-141.
Melanotan II mechanism of action
Melanotan 2 activates MC1R on pigment cells, which drives eumelanin production and darker pigmentation. Unlike Melanotan 1, it also acts strongly on MC3R and MC4R in the brain.
That brain activity explains the effects on appetite and sexual function seen in early studies, and it’s the reason PT-141 was developed from it.
Melanotan II 10mg product details
- Compound: Melanotan II
- CAS number: 121062-08-6
- Molecular formula: C50H69N15O9
- Molar mass: 1,024.2 g/mol
- Structure: cyclic heptapeptide
- Amount: 10mg per vial
- Form: lyophilized (freeze-dried) powder
- Purity: 99% or higher (HPLC)
- SKU: EZP-MT2-10
- Use: laboratory research only
Published Melanotan II studies
It was developed at the University of Arizona in the late 1980s and 90s, by a team including Mac Hadley and Victor Hruby, as a way to tan skin without UV exposure. Early human studies confirmed the tanning effect.
It was never approved, and several health agencies have warned against unlicensed use. It’s sold here strictly for research.
For the original studies, try this PubMed search.
Melanotan II 10mg reconstitution and concentration
The volume of liquid you add sets the concentration. For a vial holding 10mg:
- 1mL of diluent gives 10mg/mL
- 2mL of diluent gives 5mg/mL
- 3mL of diluent gives 3.33mg/mL
Choose the volume that suits your measurements. Mark the vial with the concentration and date so nobody has to guess later.
Research diluent solution or bacteriostatic water both work. Add it slowly so it runs down the side of the vial, then swirl or roll until everything dissolves. Shaking can shear peptide chains. Skip it.
Storing Melanotan II 10mg
The dry powder keeps best cold: 2 to 8°C in the fridge, or -20°C for long-term storage. After reconstitution, store it in the fridge and finish it within roughly four weeks.
Melanotan II 10mg lab testing and purity
We’ve put the lab paperwork for Melanotan II 10mg in the image gallery: one Janoshik Analytical report. Each one lists the compound found, the measured amount and the HPLC purity, plus the batch number and the date the lab ran it.
Melanotan II 10mg is sold at a minimum of 99% purity by HPLC. The reports below show the actual figure for each batch tested.
Every Janoshik report has a unique key printed at the bottom. Enter it at janoshik.com/verify and you’ll see the same report straight from the lab, which is the easiest way to know a COA hasn’t been edited. Match the batch on the report with the batch on your label.
Melanotan II 10mg bulk pricing
You can buy Melanotan II 10mg one vial at a time or in a multi-pack. The options in the dropdown are:
- Single vial: $44.00
- 5 pack: 5 vials for $209.00 instead of $220.00, about $41.80 a vial
- 10 pack: 10 vials for $396.00 instead of $440.00, about $39.60 a vial
Every vial in a pack is the same product and batch type as the single vial. The saving is the only difference, so buy the pack if your study will use them before they expire.
Related research peptides
- SNAP-8 10mg, an octapeptide
- GHK-Cu 50mg, a copper peptide
- Glow Blend (BPC-157/TB4/GHK-Cu) 70mg, GHK-Cu, BPC-157 and TB4 in one vial
- GHK-Cu/KPV Beauty Blend 50mg/20mg, GHK-Cu and KPV in one vial
- Klow Blend 80mg, GHK-Cu, BPC-157, TB4 and KPV in one vial
Browse the full skin and tanning peptides range, or see everything on our research peptides page.
Melanotan II 10mg FAQ
How much is in the Melanotan II 10mg vial?
10mg of lyophilized powder. The amount is printed on the label.
Is there a discount for buying more?
Yes. The 5 pack saves 5% and the 10 pack saves 10% compared with buying single vials. Pick the option from the dropdown on this page.
What do I mix Melanotan II 10mg with?
A sterile diluent such as our research diluent solution or bacteriostatic water. The reconstitution section above shows the concentration for each volume.
How should I store it?
Sealed vials go in the fridge, or the freezer for long-term storage. Once mixed, refrigerate and use within about 28 days.
Can Melanotan II be used in people or animals?
No. It’s sold for laboratory research only and isn’t approved for human or veterinary use.
Buy Melanotan II 10mg online
Melanotan II 10mg is in stock at $44.00. Choose a single vial or a multi-pack, add it to the cart and check out in a couple of minutes. Add a research diluent solution if you don’t have any, so you’re ready to reconstitute when it arrives.
Need more for the same project? See the rest of our skin and tanning peptides.
For laboratory research use only. Not for human or veterinary use. Not evaluated by the FDA.






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