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-26-00062
Key
QNRW9A25
Verify at prymalab.net/testing/verify/
Mazdutide 10 mg Lot PL-2609-062 ยท analysed September 19, 2026 ยท issued October 3, 2026
Purity ยท RP-HPLC99.73%Specification 99.0% โข main peak at 6.74 min
Identity ยท Observed Mass4563.3 DaTheoretical 4563.1 Da โข +0.2 Da (44 ppm)
ConclusionPASSMeets every specification for the tests performed
The certificate
Summary
| Compound | Mazdutide IBI362; LY3305677; acylated oxyntomodulin analogue (GLP-1/glucagon dual agonist) |
|---|---|
| CAS number | 2259884-03-0 |
| Molecular formula | C210H322N46O67 |
| Theoretical mass | 4563.1 Da |
| Sequence / structure | H-H-Aib-QGTFTSDYSKYLDEKKAK(ฮณGlu-2รAEEA-C20 diacid)EFVEWLLEGGPSSG-NHโ (34 residues; Aib2; Lys20 acylated with eicosanedioic acid via ฮณ-Glu and two AEEA spacers; C-terminal amide) |
| Appearance | White lyophilized powder |
| Storage | โ20 ยฐC, desiccated, dark |
| Label claim | 10 mg/vial |
| Lot number | PL-2609-062 |
| Certificate number | PL-26-00062 |
| Date of analysis | 2026-09-19 (retest 2028-09-18) |
| Purity (RP-HPLC) | 99.73% |
| Identity (LC-MS) | 4563.3 Da |
| Water content (KF) | 2.3% |
| Endotoxin (LAL) | 0.03 EU/mg |
| Sterility | No growth; conforms |
| Conclusion | PASS |
| Tested by | PrymaLab 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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