Melanotan II vs. PT-141
A side-by-side reference for two research compounds. Comparison covers documented specifications only — no guidance on use is provided or implied.
How they differ
Melanotan II
Melanotan II is a synthetic cyclic analogue of alpha-melanocyte-stimulating hormone studied in preclinical research on melanocortin-receptor signalling.
Published preclinical work has examined Melanotan II across melanocortin-receptor subtypes and in melanocyte signalling models.
- Melanocortin-receptor subtype selectivity
- Melanocyte signalling models
- Cyclic peptide analogue research
PT-141
PT-141 (bremelanotide) is a cyclic heptapeptide melanocortin-receptor ligand studied in preclinical research on central nervous system signalling.
Research literature has examined PT-141 in models of melanocortin-4 receptor activation and hypothalamic signalling pathways.
- Melanocortin-receptor pharmacology
- Central signalling models in preclinical settings
- Cyclic peptide structure-activity research
Specification comparison
| Attribute | Melanotan II | PT-141 |
|---|---|---|
| Research category | Skin & Pigmentation | Skin & Pigmentation |
| Price from | €59.00 | €69.00 |
| Availability | In stock | In stock |
Both compounds
Both are supplied for laboratory research use only.
Other comparisons
This comparison is a documentation reference only and does not describe or recommend any use of either compound.