VitalityPeptidesResearch Division · Quality Control
Certificate of Analysis
Third-party verified · research use only
RELEASED
Certificate No.VP-COA-R303P-251216
Lot / Batch No.PIQP
Sample codeR30 (3rd-party)
Analysis DateDec 16, 2025
ExpiryDec 2027
Product information
Product nameRetatrutide · LY3437943
ClassGIP, GLP-1 and glucagon triple receptor agonist
CAS number2381089-83-2
Molecular weight4731.4 g/mol
Molecular formulaC221H342N46O68
AppearanceWhite to off-white lyophilised powder
HPLC purity
99.67 %
Net content
31.41 mg / 30 mg claim
A first-in-class synthetic peptide acting as a triple agonist at the GIP, GLP-1 and glucagon receptors.
Analytical results
| Parameter | Method | Specification | Result | Status |
|---|---|---|---|---|
| Purity (HPLC) | RP-HPLC, UV 214 nm | ≥ 98.0 % | 99.670 % | Pass |
| Net peptide content | Quantitative HPLC | ≥ 30 mg / vial | 31.41 mg (duplicate assay 31.41 / 29.21 mg) | Pass |
Lab note: Independent third-party retest (STG Group Testers).
RP-HPLC chromatogram
Representative trace illustrating the measured purity; the 99.670% figure above is the value reported by the testing laboratory.
Independent verification
HPLC-tested by an independent third-party laboratory.
The full lab report for this batch is available on request (mass and purity). Message us on WhatsApp with the batch number and we’ll send it over.
Storage & stability
- Lyophilised, sealed. Store at −20 °C · protect from light
- Short-term transit. Stable at ambient temperature for up to 30 days
- After reconstitution. Refrigerate at 2–8 °C · use within 4 weeks
Authorisation
QC Analyst
Analytical Chemistry
QA Release
Quality Assurance
Digitally authorised · Dec 16, 2025
- Analytical results are transcribed from independent third-party laboratory testing; the full report for this batch is available on request.
- All products are supplied strictly as research chemicals for laboratory research use only. Not for human or veterinary use, food, or drug applications.
- The buyer is solely responsible for complying with all laws and regulations governing the purchase, import, possession, storage, handling, and use of this material in their jurisdiction. Vitality Peptides makes no warranty as to its legal status in any territory.
- Molecular reference data (CAS, formula, molecular weight) are public standard values, not per-batch measurements.
- This document must not be altered. Reproduction is permitted only in full and without modification.
- Vitality Peptides disclaims all warranties, express or implied — including merchantability and fitness for a particular purpose — beyond the research-use-only scope stated above, and accepts no liability for any indirect, incidental, or consequential loss arising from use or misuse of the material.