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PT-141, also known as Bremelanotide, is a cyclic heptapeptide and synthetic analogue of alpha-MSH. It acts as a non-selective agonist at melanocortin receptors (MC1R–MC5R), with particular research interest in MC3R and MC4R involvement in sexual arousal and motivation pathways. Supplied as lyophilised powder at >99% purity.
| CAS Number | 189691-06-3 |
|---|---|
| Molecular Formula | C₅₀H₆₈N₁₄O₁₀ |
| Molecular Weight | 1025.2 g/mol |
| Form | Lyophilised powder |
| Storage (unreconstituted) | Store at -20 °C away from direct light. |
| Storage (reconstituted) | Refrigerate at 2–8 °C. Avoid freeze-thaw cycles. Use within 28 days. |
For laboratory and scientific research use only. Not for human consumption, medical treatment, or veterinary use.
Before reconstitution: store at room temperature away from direct light. Stable at ambient temperatures prior to reconstitution.
Reconstitution: add bacteriostatic water slowly to the vial using a syringe. Swirl gently — do not shake. Use our Reconstitution Calculator for the correct volume.
After reconstitution: refrigerate at 2–8 °C. Avoid freeze-thaw cycles. Use within 28 days.
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Supplied strictly for laboratory and scientific research only. Not for human consumption, medical treatment, or veterinary use. Not evaluated by the MHRA or FDA.
By purchasing you confirm you are 18+, have appropriate facilities to handle research chemicals, and accept responsibility for legal compliance in your jurisdiction.
