COA/RT-2026-003Verified
Save as PDFCertificate of Analysis
PuriLab Analytical
Retatrutide 20 mg
RT-2026-003Lot 0926RT20Analyzed September 29, 2026

Timeline
Ordered
September 23, 2026
Received
September 28, 2026
Analyzed
September 29, 2026
Sample
Name
Retatrutide 20 mg
Expected
Retatrutide
Amount
1 vial, lyophilized powder
Testing
Client
Lost Coast Aminos
Test type
Content & purity
Method
HPLC-UV
Content, how much is in it
21.35mg
Label claim: 20 mg
Purity, how clean it is
99.6%
by HPLC-UV peak area
Chromatogram
HPLC-UV
18.42 min, Retatrutide, 99.6%
Analyst Comments
White lyophilized powder, yellow-cap vial, received sealed.
Analyst Signature
Max Barrett
Lab Director, PuriLab Analytical
Analysis date: September 29, 2026
Verification Code
RT-P4W8-H3NB
Verify at purilab.org/verify/RT-P4W8-H3NB
Scan to Verify
RT-P4W8-H3NB
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 Analytical|admin@purilab.org
Page 1 of 1