NEA Diagnostics
Certificate of analysis
2026-DDCCDDDDE
Tirzepatide - 10mg
Tested for: Aurora Peptides
Reported 24 Jun 2026
PASS
Purity
99.1%
Label claim
10 mg
Measured
9.91 mg
Of label
99.1%
COA #
2026-DDCCDDDDE
Accession
DDCCDDDDE
Labeled content
10 mg
Purity
99.1%
Net peptide content
9.91 mg
Appearance
White Lyophilized Powder
Reported date
24 Jun 2026
Mass identificationPurityNet peptide content
Tirzepatide99.1%9.91 mg
Identity confirmation
Status
✓ Confirmed
Expected mass
4813.5 Da
Observed mass
4813.4 Da
HPLC chromatogram
Reverse phase HPLC with UV at 214 nm
PeakRT (min)Area %
Solvent front1.420.4
Tirzepatide main peak6.8199.1
Related impurity7.340.5
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/mL0.026 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
Laboratory: NEA Diagnostics, San Diego, CA
This page is the authoritative version of certificate 2026-DDCCDDDDE. Any PDF copy should match it exactly. For research use only.
Searchable via labneadiagnostics.comCOA # 2026-DDCCDDDDE · Issued 24 Jun 2026