PT-141
Melanocortin-4 receptor agonist. Cyclic heptapeptide.
Also known as: PT-141 · Bremelanotide · PT141 · Melanotan II derivative
CAS 189691-06-3 · C50H68N14O10
Lead time
Ships in 3–5 days
Purity
99.2%
CAS Number
189691-06-3
Molecular Weight
1025.2
Formula
C50H68N14O10
Form
Lyophilized powder
Packaging
10mg vial · 10 vials/box
Storage
-20°C, lyophilized
Solubility
Water
Chemical structure
2D structure · Source: PubChem (NIH)
Research applications
PT-141 (bremelanotide) is a synthetic cyclic heptapeptide derived from Melanotan II, acting as a selective melanocortin-4 (MC4R) receptor agonist. It is studied in MC4-receptor pharmacology, neuroendocrine and sexual-behavior research models, and melanocortin signaling beyond pigmentation.
Referenced literature
- [1]Wessells H., et al. "Synthetic melanotropic peptide initiates erections in men with psychogenic erectile dysfunction." Journal of Urology, 1998.
Selected peer-reviewed literature for research context — not medical advice.
Quality Documentation
How we verifyRaw material screening
Off-spec lots never enter synthesis
In-process monitoring
Intermediates characterized at checkpoints
HPLC-MS verification
Identity, purity & quantitation per batch
A batch-specific COA ships with every order — see the format before you buy.
Request sample COAFrequently asked questions
What is PT-141?
PT-141 (bremelanotide) is a synthetic cyclic heptapeptide derived from Melanotan II, acting as a selective melanocortin-4 (MC4R) receptor agonist. It is studied in MC4-receptor pharmacology, neuroendocrine and sexual-behavior research models, and melanocortin signaling beyond pigmentation.
What purity is PT-141?
99.2% purity, HPLC-MS verified per batch.
What is the CAS number of PT-141?
CAS 189691-06-3 · Molecular formula C50H68N14O10 · Molecular weight 1025.2.
How long does PT-141 take to ship?
Ships in 3–5 days after order confirmation.
How should PT-141 be stored?
-20°C, lyophilized. Solubility: Water.
Is PT-141 for human use?
No. PT-141 is a research compound for laboratory research use only — not for human or veterinary use.
For pricing and availability of PT-141, contact our research team.
For laboratory research use only.
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