ARA

HEALING & RECOVERY

ARA-290

Erythropoietin-derived 11-amino-acid peptide (cibinetide). Investigated in innate repair receptor research.

16 mgRUO · RESEARCH USE ONLY$89.00

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Certificate of Analysis

Third-party tested · ISO/IEC 17025 accredited

LATESTISO 170257+ TESTING

purity

✓ Passed full QC panel

Variant
ARA-290 · 16 mg
Lot #
Labeled
16 mg
Tested

Full QC panel

Purity (HPLC)
Net Peptide Content
Pass
Identity (HPLC-MS)
Confirmed
Heavy Metals (ICP-MS)
Not detected
Sterility
No growth
Endotoxin (LAL)
Within limits
VIEW COA →

Purity, lot and tested date are per-lot; remaining QC rows are representative — exact values on the CoA.

Compound Information

Chemical and structural properties

Chemical identity verified via NIH PubChem · biological targets characterized from the peer-reviewed literature.

Molecular profile

Structure

CAS Number
1208243-50-8
Molecular Formula
C51H84N16O21
Molecular Weight
1257.3 g/mol
Sequence
Type
Research peptide

Biological targets

Interactions

Primary target
Innate repair receptor (IRR): proposed EPOR–β-common receptor (CD131) heterocomplex
Pathway
JAK2–STAT3 and PI3K–Akt; NF-κB-linked cytokine modulation
Mechanism
Non-erythropoietic 11-residue helix-B surface peptide of erythropoietin; does not engage the erythropoietic EPOR homodimer
Research area
Small-fiber neuropathy, innate-immune and tissue-protection research

Physical properties

Handling & Storage

Appearance
White to off-white lyophilized powder
Solubility
Soluble in sterile or bacteriostatic water; reconstitute prior to use
Storage
2-8 deg C, protect from light
Country of origin
USA

Sources & References

Peer-reviewed research

Indexed in NIH PubMed. Provided for research context; not a claim of clinical outcome.

  • TRANSPLANTATION

    Improvement of Islet Allograft Function Using Cibinetide, an Innate Repair Receptor Ligand

    2020 · PMID 32345869

    Yao M et al.

    View Source ↗
  • MOLECULAR MEDICINE (CAMBRIDGE, MASS.)

    ARA 290, a nonerythropoietic peptide engineered from erythropoietin, improves metabolic control and neuropathic symptoms in patients with type 2 diabetes

    2015 · PMID 25387363

    Brines M et al.

    View Source ↗
  • SCIENTIFIC REPORTS

    Cibinetide dampens innate immune cell functions thus ameliorating the course of experimental colitis

    2017 · PMID 29026145

    Nairz M et al.

    View Source ↗
  • FRONTIERS IN IMMUNOLOGY

    Targeting the innate repair receptor axis via erythropoietin or pyroglutamate helix B surface peptide attenuates hemolytic-uremic syndrome in mice

    2022 · PMID 36211426

    Dennhardt S et al.

    View Source ↗
  • EXPERIMENTAL EYE RESEARCH

    The vasoreparative potential of endothelial colony-forming cells in the ischemic retina is enhanced by cibinetide, a non-hematopoietic erythropoietin mimetic

    2019 · PMID 30876881

    O'Leary OE et al.

    View Source ↗

⚠ Important research notice

PRODUCTS ARE INTENDED AS A RESEARCH CHEMICAL ONLY. This designation allows the use of research chemicals strictly for in vitro testing and laboratory experimentation only. All product information available on this website is for educational purposes only. Bodily introduction of any kind into humans or animals is strictly prohibited by law. Products should only be handled by licensed, qualified professionals. Products sold are not a drug, food, or cosmetic and may not be misbranded, misused or mislabeled as a drug, food, or cosmetic.

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US Manufactured

Manufactured in our U.S. ISO Class 5 sterile facility under cGMP-aligned controls. Every step—from raw material qualification through final lot release—is completed domestically. Every production lot is batch-specific and fully traceable, ensuring consistent quality and manufacturing integrity.

Independent Testing

Every batch undergoes independent verification, including HPLC purity, mass spectrometry, endotoxin screening, sterility testing, heavy metals analysis, peptide identity confirmation, and quantitative peptide content. A complete Certificate of Analysis (COA) is published for every lot.

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Orders placed before 12:00 PM EST are typically shipped the same business day from our U.S. fulfillment facility, conveniently located near our manufacturing operations. Products are securely stored in a temperature-controlled environment and professionally managed to help preserve product quality, ensure rapid order fulfillment, and support time-sensitive research.

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