PT-141

PT-141, also known as bremelanotide, is a synthetic cyclic heptapeptide research compound. PubChem identifies bremelanotide by the peptide sequence XDHFRWK and CAS number 189691-06-3.

The compound is supplied here as a research material for qualified laboratory and scientific applications.

Product Classification

Primary Category: Research Compounds
Scientific Category: Synthetic Cyclic Heptapeptide
Secondary Category: Peptide Research Materials
Product Type: Research Material

Catalog Tags

PT-141 · Bremelanotide · Bremelanotide Acetate · Synthetic Peptide · Heptapeptide · Research Material · Laboratory Research

Chemical Information

Compound: Bremelanotide
Common Research Designation: PT-141
Peptide Sequence: XDHFRWK
CAS Number: 189691-06-3
Molecular Formula: C₅₀H₆₈N₁₄O₁₀
Molecular Weight: Approximately 1,025.2 g/mol

If the material is supplied as bremelanotide acetate, PubChem lists it separately with CAS 1607799-13-2, molecular formula C₅₂H₇₂N₁₄O₁₂, and molecular weight approximately 1,085.2 g/mol.

Research Information

Bremelanotide is a synthetic peptide compound that has been investigated in pharmacological and clinical research. It is structurally identified as a cyclic heptapeptide and is associated with the melanocortin receptor system.

Importantly, bremelanotide is not an unapproved generic research substance: FDA approved bremelanotide under the brand Vyleesi for a specific medical indication. Therefore, a research-material listing should not imply that an independently supplied PT-141 product is FDA-approved, therapeutically equivalent to an approved product, or appropriate for human administration.

This description intentionally focuses on compound identity, chemical characteristics, and research classification rather than therapeutic or performance claims.

Research Applications

PT-141 may be examined in controlled laboratory environments for purposes such as:

Peptide characterization
Analytical testing
Structural investigation
Receptor-related research
Molecular research
Comparative peptide studies
Laboratory assay development
Peptide pharmacology research

These statements describe potential research contexts only and do not constitute recommendations for administration to humans or animals.

Product Specifications

Product Name: PT-141
Chemical Name: Bremelanotide
Product Type: Synthetic research peptide
Primary Category: Research Compounds
Scientific Classification: Synthetic Cyclic Heptapeptide
Sequence: XDHFRWK
Free-Base CAS: 189691-06-3
Free-Base Molecular Formula: C₅₀H₆₈N₁₄O₁₀
Free-Base Molecular Weight: ~1,025.2 g/mol

If supplied as Bremelanotide Acetate

CAS: 1607799-13-2
Molecular Formula: C₅₂H₇₂N₁₄O₁₂
Molecular Weight: ~1,085.2 g/mol

Important Product Information

Chemical form must be confirmed before publishing the product specifications. PT-141/bremelanotide free base and bremelanotide acetate are different chemical forms and have different molecular weights.

The product should not be represented as Vyleesi, as FDA approval of Vyleesi applies to the approved drug product rather than automatically to an independently supplied research material.

Researchers and purchasers are responsible for ensuring that their intended use complies with applicable laws, regulations, institutional requirements, and laboratory procedures.

Product identity, purity, peptide content, salt form, analytical results, and other batch-specific specifications should be verified against the applicable Certificate of Analysis (COA).

Research Use Notice

This product is supplied solely as a research material for qualified laboratory and scientific use.

It is not intended for human consumption, human therapeutic use, veterinary use, diagnosis, treatment, mitigation, or prevention of disease.

Nothing on this product page should be interpreted as a recommendation or representation that this research material is intended to affect the structure or function of the human body.

Not for use as a drug, dietary supplement, food, cosmetic, or medical treatment.

For laboratory research purposes only.