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GHRP-6

GHRP-6

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GHRP-6 is a synthetic hexapeptide with the amino acid sequence His-D-Trp-Ala-Trp-D-Phe-Lys-NH2. Its molecular formula is C46H56N12O6, its molecular weight is 873.01 g/mol, and its CAS number is 87616-84-0. The peptide contains two D-amino acids (D-tryptophan and D-phenylalanine), which are mirror-image forms of their natural counterparts that increase the molecule’s resistance to enzymatic degradation. GHRP-6 was first synthesized in the 1980s, making it one of the earliest growth hormone releasing peptides ever produced. It is classified as a growth hormone secretagogue and ghrelin mimetic. Supplied as a white to off-white lyophilized powder, it dissolves readily in water. This product is for research purposes only.

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Certificate of Analysis

Independent laboratory testing confirms purity and composition of this research peptide.

+ ENDO PASSED
99.99%
Purity
A1012
Batch
June 2026
Date
View Certificate →

Overview

GHRP-6 (Growth Hormone Releasing Peptide 6) is a synthetic hexapeptide — a chain of six amino acids with the sequence His-D-Trp-Ala-Trp-D-Phe-Lys-NH2. Its molecular formula is C46H56N12O6, and it has a molecular weight of 873.01 g/mol. The CAS registry number is 87616-84-0. Like GHRP-2, the peptide features an amidated C-terminus and contains D-amino acids (D-Trp and D-Phe), which are mirror-image versions of the naturally occurring L-forms. These D-amino acids make the peptide more resistant to enzymatic breakdown.

GHRP-6 was first synthesized in the 1980s, making it one of the earliest synthetic growth hormone releasing peptides ever created. It was the compound that originally demonstrated that small synthetic peptides were structurally compatible with what is now known as the growth hormone secretagogue receptor (GHS-R1a), a receptor later associated with the stomach hormone ghrelin. GHRP-6 is classified as a growth hormone secretagogue and ghrelin mimetic. It is supplied as a white to off-white lyophilized powder that dissolves readily in water.

This product is strictly for research purposes only. Not approved for human or animal use.

PubChem Reference: View compound profile on NIH PubChem

Key Characteristics

MOLECULAR PROFILE

Formula: C46H56N12O6

Weight: 873.01 g/mol

CAS: 87616-84-0

Sequence: His-D-Trp-Ala-Trp-D-Phe-Lys-NH2

PHYSICAL PROPERTIES

Form: White to off-white lyophilized powder

Solubility: Readily dissolves in water

Stability: Stable when properly stored

Storage: Keep refrigerated 36‑46 °F (2‑8 °C)

Size: 10mg, 5mg

SKU: AXIOM-GHRP-6

Categories: Single Peptides

Tags: Research Chemical

This product is strictly for research purposes only. Not for human or animal consumption.

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The statements on this website have not been evaluated by the U.S. Food and Drug Administration. The products and information provided by Axiom Research are not intended to diagnose, treat, cure, or prevent any disease. Axiom Research is a research chemical supplier. We are not a compounding pharmacy or compounding facility as defined under Section 503A of the Federal Food, Drug, and Cosmetic Act, nor are we an outsourcing facility as defined under Section 503B.

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GHRP-6 — Axiom Research