NEA Diagnostics
Certificate of analysis
2026-0000Z0ZZZ
TB-500 - 10mg
Tested for: IQON
Reported 4/20/2026
PASS
Purity
99.29%
Label claim
10 mg
Measured
10.26 mg
Of label
102.6%
COA #
2026-0000Z0ZZZ
Lot number
5321
Accession
0000Z0ZZZ
Labeled content
10 mg
Purity
99.29%
Net peptide content
10.26 mg
Appearance
White Lyophilized Powder
Received date
4/7/2026
Reported date
4/20/2026
Mass identificationPurityNet peptide content
TB-50099.29%10.26 mg
Identity confirmation
Status
✓ Confirmed
Expected mass
4963.5 Da
Observed mass
4963.5 Da
Mass spectrometry
Electrospray ionization confirms the target mass.
[M+2H]2+
2482.76 m/z
[M+H]+
4964.51 m/z
HPLC chromatogram
LC-MS/MS purity, reverse phase HPLC with UV at 214 nm
PeakRT (min)Area %
Solvent front30.2
TB-500 main peak6.299.29
Related impurity6.70.51
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 2026-0000Z0ZZZ. Any PDF copy should match it exactly. For research use only.
Searchable via labneadiagnostics.comCOA # 2026-0000Z0ZZZ · Issued 4/20/2026