Cibinetide · Helix B surface peptide · HBSP
| Classification | Synthetic 11-amino-acid erythropoietin-derived peptide |
|---|---|
| CAS number | 1208243-50-8 |
| Solubility | Soluble in water and bacteriostatic water. |
| Reported half-life | Short in circulation; the peptide is designed for tissue-protective receptor engagement rather than sustained exposure. |
International orders have a 3-vial minimum per product. Case pricing shown is international; US warehouse case pricing may differ and is shown at checkout.
An 11-residue peptide derived from the aqueous-facing surface of helix B of erythropoietin. It engages the innate repair receptor — the EPOR/CD131 heterocomplex — without activating the homodimeric EPO receptor, and therefore lacks the erythropoietic activity of the parent hormone.
The following describes contexts in which this compound appears in published laboratory literature. Nothing here is a claim of efficacy, safety, or suitability for any use in humans or animals.
| Lyophilized powder | Store lyophilized powder at -20 °C, sealed and protected from light. Stable for extended periods while dry. |
|---|---|
| After reconstitution | After reconstitution with bacteriostatic water, store at 2–8 °C and use within approximately 4 weeks. Avoid repeated freeze-thaw cycles. |
| Shipping | Ships at ambient temperature; lyophilized peptide is stable in transit. |
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| Vial | 1 vial (US) | 3 vials (Intl) | Case of 5 | Case of 10 | Stock |
|---|---|---|---|---|---|
| 10mg | — | $195 | $230 | $440 | International |
$20 flat USA shipping · solutioning available at $10/vial · Denver stock ships within 1 business day of order confirmation.