Bremelanotide
Bremelanotide is a cyclic heptapeptide analogue of alpha-MSH and a melanocortin receptor agonist, including at MC3R and MC4R. It is a metabolite of melanotan II, with a C-terminal acid in place of the amide, and was evaluated in clinical trials in premenopausal women with hypoactive sexual desire disorder.
- Class
- melanocortin receptor agonist
- Type
- cyclic peptide, 7 residues
- Also known as
- PT-141, Vyleesi, Rekynda
- Sequence
Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH- Molecular formula
- C50H68N14O10
- Molecular weight
- 1025.2 g/mol
- CAS number
- 189691-06-3
- PubChem CID
- 9941379
Regulatory status
Approved by the FDA on 21 June 2019 (Vyleesi) for acquired, generalized hypoactive sexual desire disorder in premenopausal women.
SHLabz batch results
No SHLabz batch of Bremelanotide has a published report yet. Each batch is tested by an independent laboratory, and the report for a batch is available on request through the contact page.
Where SHLabz supplies it
PT-141 · PT-141 Nasal Spray. For laboratory research use only.
Further reading
Sources
- PubChem CID 9941379: Bremelanotide
- FDA news release (21 June 2019), republished by BioSpace: FDA approves new treatment for HSDD in premenopausal women
How to cite this sheet
SHLabz (2026). Bremelanotide: compound reference sheet. SHLabz Compound Library. https://shlabz.ae/compounds/pt-141/
This sheet describes a molecule and the published research on it. It is not advice about use, and SHLabz products are not for human or veterinary use.
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99%+HPLC purity
24hUAE dispatch
100%COA verified
Third-partyLab tested, every batch
FreeUAE delivery over AED 350
Order by 12:00Ships today, UAE time
FastShipping across the UAE & GCC
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No batch is released without a certificate
Every production batch is tested by a third-party laboratory before release, and every certificate is published in our COA library.
- Reverse-phase HPLC and ESI mass spectrometry on every batch
- Every batch we release has its certificate published
- Lyophilised, sealed and packed to arrive intact
- Supplied strictly for laboratory research use
Certificate of Analysis
Third-party tested
SH-R · Janoshik Analytical test report #122536
- Batch
- RT20/2026-0310
- Analysis conducted
- 19 Mar 2026
- Purity
- 99.868 %
- Content
- 20.76 mg
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