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

ARA-290

Name: ARA-290
Brand: Axyn Peptides
SKU: AXN-ARA-290-10
Price: 27 GBP
Availability: OutOfStock

Research use only · not for human consumption

ARA-290 (cibinetide) is a non-erythropoietic 11-residue peptide derived from erythropoietin, studied as an innate repair receptor ligand. Lyophilised, third-party tested. For laboratory research use only. Not for human or animal consumption. Read the research on ARA-290 →

£27.00

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SKU: AXN-ARA-290-10

Category: Tissue Repair

Description

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

What it is

ARA-290, also known as cibinetide, is an 11-residue linear peptide (sequence QEQLERALNSS, roughly 1257 g/mol) derived from the helix B region of erythropoietin. Unlike erythropoietin it is non-erythropoietic, so it does not act on the classical erythropoietin receptor that drives red blood cell production.

Research context

In the published literature ARA-290 is characterised as a ligand for the innate repair receptor, a heteromeric complex of the erythropoietin receptor and the beta-common receptor (CD131). Reported preclinical research spans tissue-protective and inflammatory signalling pathways. This listing describes the molecule for laboratory investigation only and makes no claim of any effect in humans or animals.

Research activity data from NIH

23 studies indexed on PubMed (NIH) for ARA-290 as of August 2026. A measure of research volume only, not a claim of efficacy.

Sources: PubChem CID 91810664 · PubMed: ARA-290 (NIH)

Handling and storage

Supplied lyophilised for reconstitution with bacteriostatic water as a research-handling step. Store the lyophilised powder cold and protected from light; reconstituted peptide is less stable and cold-chain dependent.

Testing and quality

Every batch is third-party tested. The Certificate of Analysis states the sequence, HPLC purity with chromatogram and mass-spectrometry identity (expected versus observed mass).

Supplied for laboratory research use only. Not for human or animal consumption.

Specification

PubChem CID (NIH)91810664

SEQUENCEpyroGlu-Glu-Gln-Leu-Glu-Arg-Ala-Leu-Asn-Ser-Ser

MOLECULAR FORMULAC51H84N16O21

MOLECULAR WEIGHT1257.3 g/mol

CAS NUMBER1208243-50-8

PURITY>=99% (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 ARA-290?

What it is
ARA-290, also known as cibinetide, is an 11-residue linear peptide (sequence QEQLERALNSS, roughly 1257 g/mol) derived from the helix B region of erythropoietin. Supplied lyophilised for laboratory research only.

What does the research say about it?

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

Is ARA-290 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 Recovery & Repair: KPV, BPC-157, TB-500.

Additional information

Strength	10 mg

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