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Published lot certificate Issued by PrymaLab Analytical for a PrymaLab production lot. Scan the QR code or enter the number and key on the verify page to confirm any printed copy.
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PrymaLab AnalyticalCertificate of Analysis ยท Lot release ยท tested in-housePrymaLab Analytical ยท Attn: Sample intake ยท 3705 Music Branch Rd ยท Ashland, KY 41102 ยท United States
Certificate number PL-26-00112 Key 3TW8THNN Verify at prymalab.net/testing/verify/

Tirzepatide 30 mg Lot PL-2609-112 ยท analysed September 19, 2026 ยท issued October 3, 2026

Purity ยท RP-HPLC99.26%Specification 99.0% โ€ข main peak at 8.69 min
Identity ยท Observed Mass4813.4 DaTheoretical 4813.5 Da โ€ข โˆ’0.1 Da (โˆ’21 ppm)
ConclusionPASSMeets every specification for the tests performed

The certificate

Certificate of analysis PL-26-00112, page 1
Page 1: results, specifications and chromatogram
Certificate of analysis PL-26-00112, page 2
Page 2: HPLC method, peak table, mass spectrometry and approval

Summary

CompoundTirzepatide
LY3298176; GIP/GLP-1 receptor dual agonist
CAS number2023788-19-2
Molecular formulaC225H348N48O68
Theoretical mass4813.5 Da
Sequence / structureH-Y-Aib-EGTFTSDYSI-Aib-LDKIAQK(2ร—AEEA-ฮณGlu-C20 diacid)AFVQWLIAGGPSSGAPPPS-NHโ‚‚ (39 residues; Aib2 and Aib13; Lys20 acylated with eicosanedioic acid via ฮณ-Glu and two AEEA spacers; C-terminal amide)
AppearanceWhite lyophilized powder
Storageโˆ’20 ยฐC, desiccated, dark
Label claim30 mg/vial
Lot numberPL-2609-112
Certificate numberPL-26-00112
Date of analysis2026-09-19 (retest 2028-09-18)
Purity (RP-HPLC)99.26%
Identity (LC-MS)4813.4 Da
Water content (KF)1.7%
Endotoxin (LAL)0.06 EU/mg
SterilityNo growth; conforms
ConclusionPASS
Tested byPrymaLab Analytical (PrymaLab's own laboratory, Ashland, KY). In-house result, not an independent third-party test.
Third-party testing guarantee. Have this product tested by any independent laboratory. If the result does not come back as the compound named on the label, at the purity and amount stated, we refund your order in full and reimburse the cost of the test. Email the lab report and your order number to michael@prymalab.net.

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