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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-26-00093 Key LASRGEX3 Verify at prymalab.net/testing/verify/

Semaglutide 20 mg Lot PL-2609-093 ยท analysed September 19, 2026 ยท issued October 3, 2026

Purity ยท RP-HPLC99.27%Specification 99.0% โ€ข main peak at 8.00 min
Identity ยท Observed Mass4113.4 DaTheoretical 4113.6 Da โ€ข โˆ’0.2 Da (โˆ’49 ppm)
ConclusionPASSMeets every specification for the tests performed

The certificate

Certificate of analysis PL-26-00093, page 1
Page 1: results, specifications and chromatogram
Certificate of analysis PL-26-00093, page 2
Page 2: HPLC method, peak table, mass spectrometry and approval

Summary

CompoundSemaglutide
NN9535; GLP-1 receptor agonist
CAS number910463-68-2
Molecular formulaC187H291N45O59
Theoretical mass4113.6 Da
Sequence / structureH-H-Aib-EGTFTSDVSSYLEGQAAK(2ร—OEG-ฮณGlu-C18 diacid)EFIAWLVRGRG-OH (31 residues; Aib8 and Arg34 in GLP-1 numbering; Lys26 acylated with octadecanedioic acid via two OEG spacers and ฮณ-Glu; free C-terminus)
AppearanceWhite lyophilized powder
Storageโˆ’20 ยฐC, desiccated, dark
Label claim20 mg/vial
Lot numberPL-2609-093
Certificate numberPL-26-00093
Date of analysis2026-09-19 (retest 2028-09-18)
Purity (RP-HPLC)99.27%
Identity (LC-MS)4113.4 Da
Water content (KF)2.0%
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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