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Published lot certificate Issued by PrymaLab Analytical for a PrymaLab production lot. Scan the QR code or enter the number and key on the verify page to confirm any printed copy.
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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-26-00031 Key VGPQQ77C Verify at prymalab.net/testing/verify/

EPO (Erythropoietin) 3,000 IU Lot PL-2609-031 · analysed September 19, 2026 · issued October 3, 2026

Purity · RP-HPLC99.18%Specification 99.0% • main peak (glycoform cluster) at 7.18 min
Identity · Observed Mass30,412 DaDeconvoluted glycoform centroid • theoretical 30.4 kDa average
ConclusionPASSMeets every specification for the tests performed

The certificate

Certificate of analysis PL-26-00031, page 1
Page 1: results, specifications and chromatogram
Certificate of analysis PL-26-00031, page 2
Page 2: HPLC method, peak table, mass spectrometry and approval

Summary

CompoundErythropoietin (rhEPO)
Recombinant human erythropoietin, epoetin class
CAS number11096-26-7
Molecular formulaC809H1301N229O240S5 (165-residue protein core)
Theoretical massAbout 30.4 kDa glycoform average; 18.2 kDa protein core
Sequence / structure165-residue mature human EPO (UniProt P01588 residues 28–192; C-terminal Arg166 removed), CHO-expressed; N-glycans at Asn24, Asn38 and Asn83, O-glycan at Ser126; disulfides Cys7–Cys161 and Cys29–Cys33.
AppearanceWhite lyophilized cake
Storage2–8 °C, dark; do not freeze
Label claim3000 IU/vial (≈ 25 µg glycoprotein)
Lot numberPL-2609-031
Certificate numberPL-26-00031
Date of analysis2026-09-19 (retest 2028-09-18)
Purity (RP-HPLC)99.18%
Identity (LC-MS)30,412 Da centroid (CHO glycoforms 28–34 kDa)
Water content (KF)1.9%
Endotoxin (LAL)0.27 EU/mg
SterilityNo growth; conforms
ConclusionPASS
Tested byPrymaLab 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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