Hexarelin Acetate Peptide – Research Grade GHS
Hexarelin Acetate (Examorelin) is a potent, synthetic hexapeptide analog of Growth Hormone-Releasing Peptide-6 (GHRP-6) . Its structure, His-D-2-Me-Trp-Ala-Trp-D-Phe-Lys-NH₂, incorporates a D-2-methyl-tryptophan substitution that confers enhanced enzymatic stability and a longer plasma half-life (55–70 minutes) compared to earlier GHRPs . It functions as a powerful growth hormone secretagogue (GHS) and a dual agonist for the ghrelin receptor (GHSR-1a) and CD36 receptor .
⚠️ Research Context: This product is intended exclusively for in-vitro and laboratory research purposes. It is not approved by the FDA for human use.
Mechanism of Action
Hexarelin exerts its effects primarily through the activation of multiple signaling pathways:
Primary GH Secretagogue Action (GHSR-1a):
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Binds to the ghrelin/growth hormone secretagogue receptor (GHSR-1a) predominantly expressed in the hypothalamus and pituitary .
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Activates the Gq/11 protein and downstream Phospholipase C (PLC) pathway, leading to IP₃ and DAG production, which triggers intracellular calcium release and GH exocytosis .
Cardioprotective Receptor (CD36):
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Unlike other GHRPs, Hexarelin also binds with high affinity to the non-GHSR receptor CD36, which mediates GH-independent cardioprotective effects .
ACTH and Cortisol Release:
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Clinical research demonstrates Hexarelin possesses a notable ACTH- and cortisol-releasing activity, overlapping with that of AVP and similar to hCRH .
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This effect appears to be independent of CRH-mediated mechanisms and is dramatically enhanced in patients with Cushing’s disease .
Key Research Applications:
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Growth hormone axis and receptor signaling studies
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Cardioprotection and ischemia/reperfusion research
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Hypothalamic-pituitary-adrenal (HPA) axis investigations
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Comparison studies with other GHS (e.g., Ipamorelin, GHRP-6)
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | Hexarelin Acetate |
| Synonyms | HEX, Examorelin, SCHEMBL8580589 |
| CAS Number | 140703-51-1 |
| Molecular Formula | C₄₇H₅₈N₁₂O₆ |
| Molecular Weight | 887.04 g/mol |
| Sequence | His-D-2-Me-Trp-Ala-Trp-D-Phe-Lys-NH₂ |
| Length | 6 Amino Acids |
| Purity | ≥98% (HPLC Verified) |
| Appearance | White to off-white lyophilized powder |
| Storage | -20°C, protected from light, dry, sealed |
Certificate of Analysis (COA) available upon request.
Research Background
Key Research Findings
| Research Area | Key Finding | Reference |
|---|---|---|
| GH Release Potency | ED₅₀ ~0.48 µg/kg; stimulates potent GH secretion through GHSR-1a | |
| Stability | Enhanced proteolytic stability with plasma half-life of 55-70 minutes | |
| ACTH/Cortisol Release | Stimulates ACTH release comparable to CRH and AVP in healthy subjects | |
| Cushing’s Disease | ACTH response to Hexarelin is ~7-fold greater than CRH in patients | |
| Cardioprotection | Binds CD36 receptor for GH-independent cardiac protection |
Research Considerations
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Hexarelin is structurally similar to GHRP-6 but does not significantly increase ghrelin levels, meaning it may have less effect on appetite stimulation compared to some other GHRPs .
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Studies indicate Hexarelin shows no synergistic interaction with CRH or AVP on ACTH/cortisol secretion, suggesting its effect on the HPA axis is at least partially independent of these pathways .
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In rat models, Hexarelin’s GH-releasing activity requires functional GHRH pathways . hexarelin acetate
Storage & Reconstitution Guidelines
Storage Conditions:
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Lyophilized (Long-term): -20°C, protected from light, dry, sealed
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Lyophilized (Short-term): 2°C – 8°C (refrigerated)
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Reconstituted: 4°C for up to 7 days; aliquot and store at -20°C for extended storage; avoid repeated freeze-thaw cycles
Reconstitution Protocol:
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Allow vial to reach room temperature
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Add sterile bacteriostatic water or 0.9% sodium chloride solution
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Gently swirl (do not vortex) until fully dissolved
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Dispense into individual aliquots to minimize freeze-thaw degradation
Important Notice
⚠️ FOR RESEARCH USE ONLY
This product is not intended for human consumption, diagnostic use, therapeutic application, or clinical administration. Hexarelin Acetate is a research chemical intended exclusively for in-vitro and laboratory research purposes.
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Not approved by the FDA for human use
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Not a dietary supplement, food additive, or pharmaceutical for over-the-counter purchase
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Research-grade product — not a medicinal product
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Intended solely for qualified researchers and scientific institutions
By purchasing this product, you confirm that you are a licensed researcher or laboratory professional and agree to use this compound in compliance with all applicable local, national, and international regulations.
Why Choose PeptidesUnit.com?
| Feature | Benefit |
|---|---|
| ✅ Premium Purity | ≥98% HPLC-verified purity guaranteed |
| ✅ Research-Grade Quality | Manufactured under controlled laboratory conditions |
| ✅ Third-Party Tested | Independent COA for every batch |
| ✅ Secure Packaging | Lyophilized in amber glass vials with tamper-evident seals |
| ✅ Fast Global Shipping | Discreet packaging with real-time tracking |
| ✅ Competitive Pricing | Direct-from-manufacturer pricing |
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Hexarelin Acetate Peptide 5mg – ≥98% Purity
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