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For research use only — not for human or veterinary consumption.

Reference-grade research compound

Ara-290

Cibinetide (ARA-290); Pyr-Glu-Gln-Leu-Glu-Arg-Ala-Leu-Asn-Ser-Ser-OH, an 11-residue erythropoietin-derived peptide

Schematic — no PDB structure deposited

Scientific name
Cibinetide (ARA-290); Pyr-Glu-Gln-Leu-Glu-Arg-Ala-Leu-Asn-Ser-Ser-OH, an 11-residue erythropoietin-derived peptide
Sequence
Length
11-mer
Molecular formula
C51H84N16O21
Molecular weight
1257.31 g/mol
Form
lyophilized
Vial size
10 mg
Storage
Store lyophilized powder at −20 °C, desiccated and protected from light. Stable for 24 months.
Batch HPLC purity
99.1%

Description

Linear 11-residue peptide derived from the helix B region of erythropoietin, bearing an N-terminal pyroglutamate. Used in vitro as a reference compound in innate repair receptor (EPOR/CD131) binding assays and anti-inflammatory cell-culture model systems. Supplied as a lyophilized acetate salt.

Current batch

RR-ARA290-260407-B

Manufactured Apr 7, 2026

Tested Apr 13, 2026

Download COA (PDF)
Reverse-phase HPLC · UV 220 nm · Batch RR-ARA290-260407-BMain peak 99.1%
0.000.250.500.751.0003691215

Storage and stability

Store lyophilized powder at −20 °C, desiccated and protected from light. Stable for 24 months.

Peer-reviewed references

Titles and journals pulled from PubMed and cached for 7 days. Links open in a new tab.