Research-grade compound. Laboratory use only. Not intended for human or animal use, ingestion, or injection. No medical claims are made or implied.
≥98% PurityJanoshik Verified
Melanocortin and Pigment Research PeptidesSKU: CP-MT2
MT-2 (Melanotan 2 Acetate)
≥98% PuritySupplier batch spec; selected lots Janoshik-tested
Janoshik Verified
99.72% HPLC
Report #155231
Research Reference
peptidesdb.org
/p/melanotan-2
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Melanotan II (MT-2) is a synthetic cyclic heptapeptide analog of alpha-MSH with potent melanocortin receptor agonist activity. Binds MC1R, MC3R, MC4R, MC5R. Studied in research models for melanogenesis and energy homeostasis. Supplied as lyophilized powder, shipped to a ≥98% supplier batch specification; selected lots independently tested (99.3% avg across published reports). For research purposes only. Not for human consumption.
Volume PricingApplied automatically at checkout
| Quantity | Price Each | Total | Savings |
|---|---|---|---|
| 1 unit | €34.99 | €34.99 | -- |
| 3+ | €33.24 | €99.72 | 5% off |
| 5+Most Popular | €31.49 | €157.46 | 10% off |
| 10+ | €29.74 | €297.42 | 15% off |
Size10mg
€34.99
1
Total: €34.99
Free shipping on orders over €200
Important Notice
This product is intended for laboratory and research use only. Not for human or veterinary use. By purchasing, you confirm this product will be used exclusively for in-vitro research purposes.
Reconstitution Required
This peptide ships lyophilized (dry powder) and requires bacteriostatic water to reconstitute before use. BAC water is sold separately.
When This Product May Not Suit Your Research
- ⚠If your research requires GMP-grade material for clinical applications — research-grade peptides are not intended for clinical use.
- ⚠If your lab lacks proper cold storage (-20°C freezer) — this peptide's stability may be compromised at higher temperatures.
- ⚠If your study protocol requires FDA-approved reference standards — contact USP or a certified reference material provider.
Purity HPLC
99.3% average HPLC purity, verified by independent third-party testing
Janoshik Verified
View report #155231 on janoshik.com →
Fast Shipping
24h dispatch, EU-wide shipping from €4.99
Third-Party Tested
Supplier batch specification on every product; independent Janoshik report on selected lots
Last reviewed: 2026-06-10
About MT-2 (Melanotan 2 Acetate)
Melanotan II (MT-2) is a synthetic cyclic analogue of alpha-MSH (alpha-melanocyte-stimulating hormone), a peptide derived from POMC (proopiomelanocortin). It is a potent, non-selective agonist at melanocortin receptors (MC1R through MC5R), with particularly strong activity at MC1R and MC4R. This broad agonism is studied in research models in connection with both its well-characterised activity on skin pigmentation (via MC1R) and its research history around sexual-arousal pharmacology and appetite modulation (via MC4R).
The pharmacology is worth understanding in some detail. MC1R is expressed on melanocytes and regulates melanin production -- in research models MT-2 is studied for activation of eumelanin synthesis, associated with darker skin pigmentation without UV exposure. MC4R is expressed in the hypothalamus and plays roles in melanocortin signalling and sexual function -- in research models its activation is studied for satiety signalling and, notably, pro-erectile effects in male rodent models. MC3R has roles in energy homeostasis. MT-2 activates all of these nonselectively, which produces the compound's range of effects in research models and also complicates research interpretation where receptor-specific effects need to be isolated.
MT-2 was developed at the University of Arizona from research aimed at characterizing a compound that would drive melanin synthesis in model systems and, in turn, was studied in the context of UV-related skin biology. The broader melanocortin agonism effects became apparent during development. It has been investigated in preclinical research on sexual-arousal pharmacology, and a related derivative (bremelanotide/PT-141) shares the same MC4R-mediated mechanism.
Specifications
| Parameter | Value |
|---|---|
| Compound | Melanotan II acetate (cyclic alpha-MSH analogue) |
| Purity | ≥98% (supplier batch spec; 99.3% avg across independently tested lots) |
| Format | Lyophilized powder |
| Reconstitution | Bacteriostatic water |
| Storage | -20°C; 2-8°C after reconstitution, protect from light |
Storage
Store at -20°C and protect from light. MT-2 is light-sensitive. Refrigerate after reconstitution at 2-8°C and use within 28 days. Lyophilized powder is stable for 24+ months under proper storage.
What melanocortin receptors does MT-2 activate?
MT-2 is a non-selective melanocortin receptor agonist with activity at MC1R, MC3R, MC4R, and MC5R. MC1R mediates skin and hair pigmentation (studied in research models for activation of eumelanin synthesis in melanocytes). MC3R and MC4R are expressed in the hypothalamus and have roles in energy homeostasis, appetite, and sexual function. In research models, MC4R activation is studied for MT-2's pro-erectile effects in rodent models and its satiety effects. MC5R has roles in exocrine gland function. MT-2's lack of receptor selectivity is a key consideration for research design when receptor-specific effects need to be distinguished.
How does MT-2 relate to PT-141 (bremelanotide)?
PT-141 (bremelanotide) is a metabolite of MT-2 formed by removal of the cyclic structure. In research, it is the compound associated with the MC4R-mediated sexual-arousal pharmacology rather than the tanning or other melanocortin effects. MT-2 is the research precursor that established the MC4R-mediated arousal pharmacology that PT-141 was developed from.
What was the original research goal for MT-2?
MT-2 was developed at the University of Arizona in the 1980s-90s with the goal of characterizing a compound that would produce melanin synthesis without UV exposure in model systems, studied in the context of UV-related skin biology. The pro-pigmentation activity via MC1R was the primary target. The broader melanocortin receptor agonism -- including the MC4R-mediated effects on sexual arousal and appetite in animal models -- was discovered during development and shifted the research direction significantly.
Melanotan II is supplied for laboratory research use only. Not approved for human use. Handle in compliance with institutional biosafety guidelines.
Specification Summary
Purity99.3% avg
FormLyophilized Powder
Storage-20\u00B0C
Researcher Confidence
Why researchers choose CertaPeptides
Who actually tests this?
Selected lots are independently verified by Janoshik Analytical (Czech Republic) and published on the Janoshik public portal. Other lots ship with the supplier's batch specification. See /coa for the published wall.
View COAs →What if I get the wrong batch?
Every bottle label carries a lot number that maps to a specific Certificate of Analysis. If a batch fails spec, we don't ship it — full stop.
View COAs →Where does it ship from?
Romania (EU). We are CERTALAB SRL, CUI 54169956, VAT-registered. Sameday for Romania, TCE Worldwide for all cross-border EU and non-EU markets (UK, Switzerland, Norway, Iceland, Israel, Serbia). Delivery 1–14 business days depending on destination — exact window shown at checkout.
Shipping details →What if there's a problem?
You have a 14-day withdrawal right under OUG 34/2014 (Romanian/EU consumer law), with ANPC/ODR escalation available. Contact us at support@certapeptides.com.
Returns policy →Product Information
This product is intended for scientific research and development purposes only. It is a chemical substance that shall not be used as a drug, medicine, active substance, or ingredient in any product intended for human or animal consumption. Researchers must handle this compound in accordance with their institutional biosafety guidelines. Use only in properly equipped laboratory settings with appropriate personal protective equipment.
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