Becker Global Labs
Analytical Services · Boston, MA · USA
Certificate of Analysis
Doc COA-RETA48-0616
Verification COA5633
Retatrutide (RETA)
48 mg · Lot RETA48-0616
Lot numberRETA48-0616
Fill size48 mg
AppearanceWhite lyophilized powder
Molecular weight4731.2 g/mol
Storage-20°C, protect from light
Sample receivedJune 19, 2026
Date of analysisJune 25, 2026
Retest dateJun 25, 2028
StatusReleased
Analytical results
| Test | Method | Specification | Result |
|---|---|---|---|
| Identity: Retatrutide | MALDI-MS | Retatrutide | Retatrutide |
| Content | HPLC quantitation | 48 mg | 48.16 mg |
| Overall purity | RP-HPLC (214 nm) | ≥ 99.0% | 99.9% |
| Endotoxin | USP <85> | < 0.5 EU/mL | <0.05 EU/mL |
| Heavy metals | USP <232> | ≤ 10 ppm | <0.01 ppm |
| Appearance | Visual | White to off-white lyophilized powder | Conforms |
| Water content | Karl Fischer | ≤ 8.0% | Conforms |
| Sterility | USP <71> | No growth | No growth |
HPLC chromatogram retention time: 11.065 min · Identity confirmed via MALDI-MS
Conclusion
This lot conforms to all release specifications listed above.
Approved by
D. Whitfield, PhD
Quality Control Manager · June 25, 2026
For laboratory and research use only. Not for human or veterinary use.