Hormonal & Vitality

PT-141

Name: PT-141
Brand: Rebirths Lab
SKU: RBL-PT141-10MG
Price: 65.00 USD
Availability: OutOfStock

per mg

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A synthetic cyclic peptide and melanocortin receptor agonist studied for central nervous system signaling. For research use only.

Tested

HPLC & MS

Discreet

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Description

Bremelanotide (PT-141) is a synthetic cyclic peptide that acts as a melanocortin receptor agonist. In research settings, it is commonly used to investigate central nervous system signaling, particularly pathways involved in hypothalamic and neuroendocrine activity.

For Research Use Only. Not for human consumption.

Highlights

Melanocortin Receptor Agonist Research
CNS Signaling Studies
Hypothalamic Pathway Research
Neuroendocrine Activity Studies

Storage & handling

Storage: Store lyophilized at -20°C, protected from light. Stable at ambient temperature for short-term shipping.

Reconstitution (lab use): Reconstitute with bacteriostatic or sterile water for laboratory use. Refrigerate (2–8°C) after reconstitution.

Quality & Verification

Purity: ≥99%
Tested by: HPLC, MS
Verification: Independent 3rd-party

Request batch COA

Certificate of Analysis available on request

How we test & certify →

Technical data sheet

CAS number: 189691-06-3
Molecular formula: C50H68N14O10
Molecular weight: 1025.16 g/mol
Synonyms: Bremelanotide
Appearance: Lyophilized white powder
Molecular Formula: C₅₀H₆₈N₁₄O₁₀
Identity: Bremelanotide
Quantity: 10mg
Form: Lyophilized Powder
Purity: ≥99%
Storage: -20°C
Research Use Only: Not for human consumption
CAT / SKU: RBL-PT141-10MG
Category: Hormonal & Vitality

Sequence

Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH

For laboratory and research use only. Not for human or veterinary use, diagnosis, or treatment.

Research FAQ

PT-141 — frequently asked questions

A synthetic cyclic peptide and melanocortin receptor agonist studied for central nervous system signaling. For research use only. In laboratory settings, research interest commonly focuses on areas such as melanocortin receptor agonist research, cns signaling studies, hypothalamic pathway research and neuroendocrine activity studies.

No. PT-141 is supplied exclusively as a research compound for in-vitro and non-human laboratory study. We do not provide health, dosing, or treatment guidance, and it must be handled by trained personnel following appropriate safety practices. All products are supplied strictly for laboratory and research use only and are not for human consumption.

Tested batches of PT-141 are independently analysed to a target purity of ≥99% by HPLC, MS. The exact figure for each batch is reported on its Certificate of Analysis.

PT-141 has a cas number of 189691-06-3, a molecular formula of c50h68n14o10 and a molecular weight of 1025.16 g/mol. Full technical details are listed in the technical data sheet on this page.

PT-141 should be stored as follows: Store lyophilized at -20°C, protected from light. Stable at ambient temperature for short-term shipping. Reconstitute with bacteriostatic or sterile water for laboratory use. Refrigerate (2–8°C) after reconstitution.

Yes. Tested batches of PT-141 are supplied with documentation of independent third-party purity and identity analysis, so researchers can verify exactly what they receive. The COA is available on this page or on request.

PT-141 is packaged discreetly and shipped worldwide with tracked delivery, typically dispatched within 24 hours of confirmed payment. Checkout is secure cryptocurrency only (BTC, ETH, LTC, USDT).

PT-141 is supplied as lyophilized white powder, sealed in a vial for laboratory research. Orders are packaged discreetly and shipped worldwide with tracking, typically dispatched within 24 hours of confirmed payment.

In the laboratory, PT-141 is reconstituted by dissolving the lyophilized powder in a suitable solvent such as bacteriostatic or sterile water. Reconstitute with bacteriostatic or sterile water for laboratory use. Refrigerate (2–8°C) after reconstitution. Our reconstitution calculator (under Research Tools) can help determine the concentration of the prepared solution. This is laboratory guidance only, not dosing advice.

Yes. PT-141 is also referred to as Bremelanotide. These names all refer to the same research compound.

The amino-acid sequence of PT-141 is Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH. The full technical data sheet, including molecular formula and weight, is shown on this product page.

Research compounds such as PT-141 can generally be purchased for laboratory research, but legal status varies by country and by specific compound. Buyers are responsible for knowing and complying with the laws and import regulations in their own jurisdiction. It is supplied for research use only and is not for human consumption.

Yes. We can accommodate larger research orders of PT-141. Contact our research-support team to discuss bulk quantities, current availability and pricing.

Research tool

Reconstitution calculator

Estimate the concentration of PT-141 once reconstituted, and the volume containing a target quantity. A laboratory measurement aid — research use only.

Reconstitution calculator

Peptide in vial (mg)

Solvent added (mL)

Target per draw (mcg)

Measuring syringe

Solution concentration mg/mL ( mcg/mL)

Volume for target mL ( units)

The target volume exceeds the solvent added — increase the solvent volume or lower the target quantity.

For laboratory measurement and research use only. This tool reports the concentration of a reconstituted solution; it is not dosing guidance and the products are not for human or veterinary use. “Units” refer to graduations on a standard measuring syringe.

Open the full calculator & guide