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Melanotan II
Research-use-only cyclic melanocortin analog for MC-receptor signaling and stress-response studies.
In stock
$100.00
Melanotan II is a cyclic melanocortin analog used in RUO models to interrogate receptor-mediated signal transduction and cellular stress-response pathways. Studies often quantify MC-receptor engagement, downstream transcriptional effects, and redox-linked responses in vitro. Not intended for diagnostic or therapeutic use.
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| Name | Melanotan II |
| Synonyms | MT-II |
| Sequence | Ac-Nle-Asp-His-D-Phe-Arg-Trp-Lys-NH2 (cyclic lactam, Asp2–Lys7) |
| Molecular Formula | C50H69N15O9 |
| Molecular Weight | 1024.2 g/mol |
| CAS Number | 121062-08-6 |
| Appearance | White to off-white lyophilized powder |
| Solubility | Soluble in sterile or bacteriostatic water |
| Purity | ≥99% (HPLC) |
| Storage Guidelines | • Lyophilized: ≤0°F (–18°C), dry, protected from light/moisture • Reconstituted: 36–46°F (2–8°C); avoid repeated freeze–thaw cycles • Long-Term: Keep dry/frozen until use |
Signal transduction peptides are used in RUO studies to explore how cells send and receive messages. These signals help control how cells grow, repair themselves, and respond to stress. Researchers use these peptides in lab models to better understand how communication inside cells works—and what happens when it doesn’t.
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Research Applications
This product is intended solely for laboratory research purposes. It is not suitable for human, animal, or household use. Researchers must follow institutional safety protocols. See our Terms & Conditions and our Research Compliance Disclaimers for details.
| Select flavour | Strawberry, Watermelon, Bubblegum |
|---|
| Lot number | Analysis date | Testing | Certificate |
|---|---|---|---|
| LBL-1125-TSM10-1110 | February 27, 2026 | Purity & Net Peptide Testing | View PDF |
| LBL-1125-TSM5-1051 | April 23, 2026 | Purity & Net Peptide Testing | View PDF |
| LBL-0226-TSM10-1110 | March 27, 2026 | Purity & Net Peptide Testing | View PDF |
| LBL-0326-TSM5-0004 | March 27, 2026 | Purity & Net Peptide Testing | View PDF |
| LBL-0326-TSM10-0023 | April 23, 2026 | Purity & Net Peptide Testing | View PDF |
Knowledge Hub
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Compound Guide
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Read guide: MOTS-c: Mitochondrial Biology & Cellular Energy Regulation in Preclinical ModelsTesting / COA Education
A practical guide to interpreting analytical test reports: deciphering RP-HPLC chromatograms, understanding baseline integration, verifying electrospray ionization (ESI-MS) molecular mass, and evaluating third-party lab verification.
Read guide: Reading Lab Certificates of Analysis (COA): HPLC Traces & Mass Spectrometry
Testing / COA Education
A practical guide to interpreting analytical test reports: deciphering RP-HPLC chromatograms, understanding baseline integration, verifying electrospray ionization (ESI-MS) molecular mass, and evaluating third-party lab verification.
Read guide: Reading Lab Certificates of Analysis (COA): HPLC Traces & Mass SpectrometryHandling / Storage
Essential laboratory guidelines for reconstituting lyophilized peptides: selecting diluents, minimizing shear stress during fluid introduction, temperature cycling parameters, and optimal freeze-thaw mitigation.
Read guide: Peptide Reconstitution & Storage: Preserving Lyophilized Cake StabilityComparison
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Read guide: Wolverine 20: BPC-157 & TB-500 Synergistic Tissue Repair PathwaysCompound Guide
A comprehensive analysis of the 16-amino-acid mitochondrial-derived peptide MOTS-c, detailing AMPK activation, nuclear translocation under metabolic stress, and mitochondrial-nuclear communication in cell culture.
Read guide: MOTS-c: Mitochondrial Biology & Cellular Energy Regulation in Preclinical ModelsCompound Guide
An in-depth biochemical review of Retatrutide (LY3437943), examining its multi-target agonist activity at GLP-1, GIP, and glucagon receptors, downstream cAMP accumulation, and energetic homeostasis in laboratory research models.
Read guide: Retatrutide (GLP-1 / GIP / Glucagon Tri-Agonist): Molecular Mechanisms & Preclinical Findings
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