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PuriLab Analytical
COA/TZ-2026-045Verified
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Certificate of Analysis

PuriLab Analytical

Tirzepatide 60 mg

TZ-2026-045Lot BBL-TZ60-1126Analyzed November 7, 2026
Tirzepatide 60 mg vial as received

Timeline

Ordered
November 4, 2026
Received
November 5, 2026
Analyzed
November 7, 2026

Sample

Name
Tirzepatide 60 mg
Expected
Tirzepatide
Amount
1 vial, lyophilized powder

Testing

Client
Bella BioLabs
Test type
Content & purity
Method
HPLC-UV
Content, how much is in it
51.89mg
Label claim: 60 mg
Purity, how clean it is
99.9%
Measured, not estimated. Purity is calculated from the full chromatogram shown above, and no impurity peaks were detected above the reporting threshold.

Chromatogram

HPLC-UV

mAU-10001002003004000481216202428Retention time (min)18.71
18.71 min, Tirzepatide, 99.9%

Analyst Comments

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

Analyst Signature

Max Barrett
Lab Director, PuriLab Analytical
Analysis date: November 7, 2026

Verification Code

TZ-M1YO-IDKO
Verify at purilab.org/verify/TZ-M1YO-IDKO

Scan to Verify

TZ-M1YO-IDKO

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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