For laboratory research use only. Not for human consumptionEvery vial: QR to its own batch certificateUK-registered · third-party tested

Ipamorelin

Name: Ipamorelin
Brand: Axyn Peptides
SKU: AXN-IPAMORELIN
Price: 26 GBP
Availability: OutOfStock

Research use only · not for human consumption

Ipamorelin (NNC 26-0161), a selective ghrelin-receptor (GHS-R1a) pentapeptide supplied as 5 mg or 10 mg lyophilised vials. A growth hormone secretagogue reference molecule for in-vitro laboratory study only. Third-party tested with a CoA. Supplied for laboratory research use only. Not for human or animal consumption. Read the research on Ipamorelin →

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SKU: AXN-IPAMORELIN

Category: Growth Hormone Secretagogues

Description

✓ Per-batch CoA✓ QR-to-CoA on vial✓ HPLC + MS (Janoshik)✓ Same-day UK dispatch

What it is

Ipamorelin (developmental code NNC 26-0161) is a synthetic pentapeptide with the sequence Aib-His-D-2-Nal-D-Phe-Lys-NH2. It has the molecular formula C38H49N9O5, a free-base mass of roughly 712 g/mol (CAS 170851-70-4), and is normally supplied as a lyophilised acetate salt. Its structure carries three non-proteinogenic building blocks and a C-terminal amide.

Research context

At the receptor level ipamorelin is characterised as a selective agonist of the ghrelin, or growth hormone secretagogue, receptor (GHS-R1a). It is often described as the first growth hormone secretagogue with GHRH-like selectivity in the pharmacology literature. Because it acts on a different receptor from GHRH analogues such as CJC-1295 and tesamorelin, it is frequently studied alongside them. AxYn supplies it purely as a reference molecule for in-vitro laboratory investigation.

Research activity data from NIH

53 studies indexed on PubMed (NIH) for Ipamorelin as of August 2026. A measure of research volume only, not a claim of efficacy.

Sources: PubChem CID 9831659 · PubMed: Ipamorelin (NIH)

Handling and storage

Supplied as a lyophilised white powder for reconstitution with bacteriostatic or sterile water as a research-handling step only. Store the sealed vial cold and protected from light. Reconstituted peptide is less stable and cold-chain dependent, so keep it cold and limit freeze-thaw cycles.

Testing and quality

Each batch is third-party tested by HPLC and mass spectrometry, with the salt form stated and the non-natural residues (Aib, D-2-Nal) and C-terminal amide confirmed by observed mass. A Certificate of Analysis (CoA) accompanies every batch. Supplied for laboratory research use only. Not for human or animal consumption.

Specification

PubChem CID (NIH)9831659

SEQUENCEAib-His-D-2-Nal-D-Phe-Lys-NH2 (2-aminoisobutyryl-His-D-2-naphthylalanyl-D-phenylalanyl-Lys-amide)

MOLECULAR FORMULAC38H49N9O5 (free base)

MOLECULAR WEIGHTApproximately 711.9 g/mol (free base)

CAS NUMBER170851-70-4

PURITY>=98% (HPLC)

FORMLyophilised powder

APPEARANCEWhite to off-white lyophilised powder

SHELF LIFE36 months at -20 C, sealed

RECONSTITUTION STABILITYUse within 2 to 4 weeks at 2 to 8 C after reconstitution

Frequently asked questions

What is Ipamorelin?

What it is
Ipamorelin (developmental code NNC 26-0161) is a synthetic pentapeptide with the sequence Aib-His-D-2-Nal-D-Phe-Lys-NH2. Supplied lyophilised for laboratory research only.

What does the research say about it?

53 studies indexed on PubMed (NIH). We link the live record so you can review it. No health claims are made.

Is Ipamorelin legal to buy in the UK for research purposes?

Yes. Not a licensed medicine; supplied as a research chemical for laboratory research use only, to researchers aged 18+. Not for human or veterinary use.

How do I reconstitute it?

Reconstitute with bacteriostatic water; the volume added sets the concentration. See our reconstitution guide. No dosing guidance is provided.

What testing has been done on this product?

Third-party tested (Janoshik): HPLC purity with chromatogram and mass-spec identity, per-batch Certificate of Analysis, QR code on the vial linking to it.

How should I store it and what should it look like?

Store cold and dark (−20 C long term); keep any reconstituted solution refrigerated. A white to off-white lyophilised powder is normal, giving a clear colourless solution once reconstituted.

Research handling and related compounds

New to handling lyophilised material? See our reconstitution guide, the storage and shelf-life guide, and how to read a Certificate of Analysis.

Related research compounds in Growth Hormone Secretagogues: Tesamorelin, Sermorelin, CJC-1295 (no-DAC).

Additional information

Strength	10 mg, 5 mg

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