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PuriLab Analytical
COA/TZ-2026-018Verified
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Certificate of Analysis

PuriLab Analytical

Tirzepatide 30 mg

TZ-2026-018Lot HT-5150-101626Analyzed October 29, 2026
Tirzepatide 30 mg vial as received

Timeline

Ordered
October 26, 2026
Received
October 28, 2026
Analyzed
October 29, 2026

Sample

Name
Tirzepatide 30 mg
Expected
Tirzepatide
Amount
1 vial, lyophilized powder

Testing

Client
Anonymous
Test type
Content & purity
Method
HPLC-UV
Content, how much is in it
27.89mg
Label claim: 30 mg
Purity, how clean it is
>99.9%
by HPLC-UV peak area

Chromatogram

HPLC-UV

mAU10020030016182022Retention time (min), 15 to 23 min18.92
18.92 min, Tirzepatide, >99.9%

Analyst Comments

White lyophilized powder, white-cap vial, received sealed.

Analyst Signature

Max Barrett
Lab Director, PuriLab Analytical
Analysis date: October 29, 2026

Verification Code

TZ-2VFB-TZQ2
Verify at purilab.org/verify/TZ-2VFB-TZQ2

Scan to Verify

TZ-2VFB-TZQ2

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.

PuriLab Analyticaladmin@purilab.org
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