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PuriLab Analytical
COA/RT-2026-039Verified
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Certificate of Analysis

PuriLab Analytical

Retatrutide 20 mg

RT-2026-039Lot RT20-0826Analyzed October 28, 2026
Retatrutide 20 mg vial as received

Timeline

Ordered
October 22, 2026
Received
October 26, 2026
Analyzed
October 28, 2026

Sample

Name
Retatrutide 20 mg
Expected
Retatrutide
Amount
1 vial, lyophilized powder

Testing

Client
DNTBHATTENBIO
Test type
Content & purity
Method
HPLC-UV
Content, how much is in it
21.66mg
Label claim: 20 mg
Purity, how clean it is
99.5%
by HPLC-UV peak area

Chromatogram

HPLC-UV

mAU5010015020025016182022Retention time (min), 15 to 23 min18.18
18.18 min, Retatrutide, 99.5%

Analyst Comments

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

Analyst Signature

Max Barrett
Lab Director, PuriLab Analytical
Analysis date: October 28, 2026

Verification Code

RT-MVNJ-2XNN
Verify at purilab.org/verify/RT-MVNJ-2XNN

Scan to Verify

RT-MVNJ-2XNN

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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