COA/TZ-2026-003Verified
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PuriLab Analytical
Tirzepatide 20 mg
TZ-2026-003Lot IP261007Analyzed October 13, 2026

Timeline
Ordered
October 9, 2026
Received
October 12, 2026
Analyzed
October 13, 2026
Sample
Name
Tirzepatide 20 mg
Expected
Tirzepatide
Amount
1 vial, lyophilized powder
Testing
Client
Investigate Peptides
Test type
Content & purity
Method
HPLC-UV
Content, how much is in it
16.93mg
Label claim: 20 mg
Purity, how clean it is
>99%
by HPLC-UV peak area
Chromatogram
HPLC-UV
19.52 min, Tirzepatide, >99%
Analyst Comments
White lyophilized powder, green-cap vial, received sealed.
Analyst Signature
Max Barrett
Lab Director, PuriLab Analytical
Analysis date: October 13, 2026
Verification Code
TZ-T888-LY8F
Verify at purilab.org/verify/TZ-T888-LY8F
Scan to Verify
TZ-T888-LY8F
Results apply solely to the sample as received and are not representative of any larger lot, batch, or production run. Findings are limited to the analytes stated above. PuriLab Analytical is an independent testing laboratory, is not CLIA certified or ISO 17025 accredited, does not sell or distribute any substance, and makes no representation as to the safety, legality, or fitness of any material for any use.
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