PT-141 Research Guide

What Is PT-141?

PT-141, also known as Bremelanotide, is a synthetic peptide analogue derived from Melanotan 2 (MT2). It belongs to a class of compounds known as melanocortin receptor agonists and has become one of the most extensively studied peptides within melanocortin research.

Originally developed through research involving alpha-melanocyte stimulating hormone (α-MSH) analogues, PT-141 was designed to selectively target melanocortin receptor pathways within the central nervous system. Its unique mechanism has distinguished it from many other research peptides and continues to make it an important subject of scientific investigation.


Understanding How PT-141 Works

PT-141 is classified as a melanocortin receptor agonist.

Researchers have investigated its interaction primarily with the MC3 and MC4 melanocortin receptors, which are expressed within the central nervous system. Scientific literature has explored how activation of these receptors contributes to neurological signalling pathways associated with melanocortin biology.

Unlike compounds that act primarily through vascular mechanisms, PT-141 has been investigated for its centrally mediated mechanism of action, making it distinct from many other research compounds.


Why Researchers Study PT-141

PT-141 has been investigated across several scientific disciplines, including:

  • Melanocortin receptor biology
  • Neuroscience
  • Neuroendocrine signalling
  • Peptide-receptor interactions
  • Endocrine research
  • Central nervous system research
  • Synthetic peptide development

Its receptor selectivity and extensive body of published literature continue to make PT-141 a significant subject of scientific investigation.


The Development of PT-141

PT-141 was developed from research involving Melanotan 2 (MT2), another synthetic analogue of alpha-melanocyte stimulating hormone (α-MSH).

During development, researchers modified the compound to focus on its interaction with melanocortin receptors while reducing the pigmentation-related activity associated with MT2. This resulted in Bremelanotide (PT-141), which has since become one of the most widely recognised compounds within melanocortin receptor research.


What Makes PT-141 Different?

Although PT-141 and Melanotan 2 both belong to the melanocortin peptide family, they are distinct compounds.

PT-141 was specifically developed to investigate central melanocortin receptor signalling and differs structurally from MT2. Researchers have studied these compounds independently because of their differing receptor activity profiles and scientific applications.

Its origin as a derivative of MT2, combined with its receptor selectivity, distinguishes PT-141 from many other synthetic peptides.


PT-141 Compared to Other Research Peptides

PT-141

A synthetic melanocortin receptor agonist derived from Melanotan 2 and studied for its interaction with MC3 and MC4 receptors.

Melanotan 2 (MT2)

A synthetic analogue of alpha-melanocyte stimulating hormone (α-MSH) investigated within melanocortin receptor biology.

Melanotan 1 (MT-1)

A synthetic α-MSH analogue studied primarily for melanocortin receptor interactions.

Kisspeptin

A naturally occurring peptide involved in neuroendocrine signalling and endocrine research.

Each compound possesses a distinct structure, receptor profile and area of scientific investigation.


Product Specifications

Compound: PT-141

Alternative Name: Bremelanotide

Quantity: 10mg

Form: Lyophilised powder

Appearance: White to off-white powder

Storage: Store refrigerated upon receipt

Testing: Independently batch tested

Research Classification: Melanocortin Receptor Agonist


Independent Batch Testing

At Platinum Peptides, transparency and quality assurance remain central to our approach.

Every batch undergoes independent third-party analytical testing to verify identity and purity before being released.

Why Batch Testing Matters

Identity Verification

Confirms that the material matches the labelled compound.

Purity Analysis

Provides confidence that the sample meets established quality standards.

Consistency

Helps ensure batch-to-batch reliability and reproducibility.

Transparency

Allows researchers to review independent analytical data before making purchasing decisions.

Certificates of Analysis are available for each batch where applicable.


Storage Information

Lyophilised peptides should be stored in a cool, dry environment and protected from excessive heat, moisture and direct sunlight.

Researchers should always review appropriate storage conditions relevant to their specific protocols and applications.


Frequently Asked Questions

What is PT-141?

PT-141, also known as Bremelanotide, is a synthetic melanocortin receptor agonist developed from Melanotan 2 for scientific research.

Is PT-141 the same as Bremelanotide?

Yes. Bremelanotide is the scientific name commonly used for PT-141.

Is PT-141 the same as Melanotan 2?

No. Although PT-141 was developed from research involving Melanotan 2, the two compounds are structurally distinct and have different receptor activity profiles.

What type of peptide is PT-141?

PT-141 is classified as a synthetic melanocortin receptor agonist.

Which receptors does PT-141 interact with?

Researchers have primarily investigated PT-141 for its interaction with the MC3 and MC4 melanocortin receptors.

Is PT-141 batch tested?

Yes. Platinum Peptides uses independent third-party testing to verify batch quality and purity.

How should PT-141 be stored?

Store in accordance with established peptide storage guidelines and maintain refrigeration where appropriate.


Related Research Compounds

Researchers interested in PT-141 may also wish to explore:


Important Information

This product is supplied strictly for laboratory research purposes only.

It is not intended for human consumption, therapeutic use, diagnostic use or veterinary use.

Researchers are responsible for ensuring compliance with all applicable laws, regulations and research protocols relating to the handling and use of peptide compounds.

Platinum Peptides does not provide guidance regarding dosage, administration, usage protocols or expected effects. Researchers are responsible for conducting their own independent research.