PrymaLab AnalyticalCertificate of Analysis · Lot release · tested in-housePrymaLab Analytical · Attn: Sample intake · 3705 Music Branch Rd · Ashland, KY 41102 · United States
Certificate number
PL-26-00007
Key
BMBTR7P5
Verify at prymalab.net/testing/verify/
ARA-290 10 mg Lot PL-2609-007 · analysed September 19, 2026 · issued October 3, 2026
Purity · RP-HPLC99.40%Specification 99.0% • main peak at 3.58 min
Identity · Observed Mass1257.6 DaTheoretical 1257.4 Da • +0.2 Da (159 ppm)
ConclusionPASSMeets every specification for the tests performed
The certificate
Summary
| Compound | ARA-290 Cibinetide; erythropoietin helix-B surface peptide |
|---|---|
| CAS number | 1208243-50-8 |
| Molecular formula | C51H84N16O21 |
| Theoretical mass | 1257.3 Da |
| Sequence / structure | pGlu-EQLERALNSS-OH (11 residues; N-terminal pyroglutamate; free C-terminus) |
| Appearance | White lyophilized powder |
| Storage | −20 °C, desiccated, dark |
| Label claim | 10 mg/vial |
| Lot number | PL-2609-007 |
| Certificate number | PL-26-00007 |
| Date of analysis | 2026-09-19 (retest 2028-09-18) |
| Purity (RP-HPLC) | 99.40% |
| Identity (LC-MS) | 1257.6 Da |
| Water content (KF) | 1.7% |
| Endotoxin (LAL) | 0.04 EU/mg |
| Sterility | No growth; conforms |
| Conclusion | PASS |
| Tested by | PrymaLab Analytical (PrymaLab's own laboratory, Ashland, KY). In-house result, not an independent third-party test. |
Third-party testing guarantee. Have this product tested by any independent laboratory. If the result does not come back as the compound named on the label, at the purity and amount stated, we refund your order in full and reimburse the cost of the test. Email the lab report and your order number to michael@prymalab.net.
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