NEA Diagnostics
Certificate of analysis
2026-378QBVRIH
GHK-Cu - 50mg
Tested for: IQON
Reported 6/27/2026
PASS
Purity
99.88%
Label claim
50 mg
Measured
50.96 mg
Of label
101.9%
COA #
2026-378QBVRIH
Lot number
5243
Accession
378QBVRIH
Labeled content
50 mg
Purity
99.88%
Net peptide content
50.96 mg
Appearance
Blue Lyophilized Powder
Received date
6/17/2026
Reported date
6/27/2026
Mass identificationPurityNet peptide content
GHK-Cu99.88%50.96 mg
Identity confirmation
Status
✓ Confirmed
Expected mass
340.8 Da
Observed mass
340.8 Da
Mass spectrometry
Electrospray ionization confirms the target mass.
[M+2H]2+
171.41 m/z
[M+H]+
341.81 m/z
HPLC chromatogram
LC-MS/MS purity, reverse phase HPLC with UV at 214 nm
PeakRT (min)Area %
Solvent front1.20.2
GHK-Cu main peak3.299.88
Related impurity3.7-0.08
Heavy Metal Analysis (ICP-MS)
TestSpecificationResultsStatus
Arsenic (As)NMT 1.5 ppmNot detectedPASS
Cadmium (Cd)NMT 0.5 ppmNot detectedPASS
Chromium (Cr)NMT 10 ppmNot detectedPASS
Mercury (Hg)NMT 1.5 ppmNot detectedPASS
Lead (Pb)NMT 1 ppmNot detectedPASS
Sterility Testing (PCR)
TestSpecificationResultsStatus
Sterility (PCR)No GrowthNo GrowthPASS
Endotoxin Testing (USP <85>)
TestSpecificationResultsStatus
Endotoxin (USP <85>)NMT 0.05 EU/mL< 0.05 EU/mLPASS
About this result: contamination is reported as a quantitative value. Acceptable limits vary by product type and dose route; no unversioned threshold applies to RUO products. This result is below commonly referenced endotoxin thresholds.
Instrument: Agilent 1260 Infinity II with 6120 single quad MS
Laboratory: NEA Diagnostics, San Diego, CA
This page is the authoritative version of certificate 2026-378QBVRIH. Any PDF copy should match it exactly. For research use only.
Searchable via labneadiagnostics.comCOA # 2026-378QBVRIH · Issued 6/27/2026