Retatrutide: third-party lab results, COA-2026-9411
- Compound
- Retatrutide
- Certificate
- COA-2026-9411
- Purity
- 98.80%
- Method
- HPLC (RP-HPLC-UV)
- Identity
- Confirmed
- Testing lab
- Titreon Analytical
- Quality system
- Aligned to ISO/IEC 17025:2017
- Lot
- RT-2604
- CAS
- 2381089-83-2
- Issued
- 2026-07-02
Mass spec: Deconvoluted neutral mass 4731.4 Da, matches theoretical 4731.4 Da, confirms identity (LC-MS, ESI positive).
| Test | Result |
|---|---|
| Peptide Purity (HPLC) | 98.80% (spec >= 95.0%), PASS |
| Net Peptide Content | 10.20 mg (report only), REPORTED |
| Identity (HPLC-RTM) | Retatrutide, Confirmed, PASS |
| Fentanyl Screen | Not Detected (immunoassay, 50 ng/mL), PASS |
| Water (Karl Fischer, USP 921) | 4.10% w/w (spec NMT 8.0% w/w), PASS |
| Counterion (acetate, ion chromatography) | 7.90% w/w (report only), REPORTED |
| Residual Solvents (TFA, USP 467) | Not Detected, PASS |
| Gross Fill Weight (gravimetric) | 11.86 mg (report only), REPORTED |
| Arsenic (As, ICP-MS) | Not Detected (spec NMT 1.5 ppm), PASS |
| Cadmium (Cd, ICP-MS) | Not Detected (spec NMT 0.5 ppm), PASS |
| Chromium (Cr, ICP-MS) | Not Detected (spec NMT 10 ppm), PASS |
| Mercury (Hg, ICP-MS) | Not Detected (spec NMT 1.5 ppm), PASS |
| Lead (Pb, ICP-MS) | Not Detected (spec NMT 1 ppm), PASS |
| Sterility (USP 71) | No Growth, PASS |
| Bioburden (USP 61) | < 1 CFU/mL (spec < 10 CFU/mL), PASS |
| Bacterial Endotoxin (USP 85) | < 0.5 EU/vial (spec NMT 5 EU/mL), PASS |
The Aion Retatrutide batch was tested at 98.80 percent purity by HPLC, with identity confirmed by mass spectrometry. The certificate is issued by Titreon Analytical, a lab operating a quality system aligned to ISO/IEC 17025:2017, under certificate COA-2026-9411.
The panel covers more than purity. Titreon ran identity confirmation (HPLC-RTM), a fentanyl screen (not detected), water content by Karl Fischer, residual solvents, five heavy metals by ICP-MS (arsenic, cadmium, chromium, mercury, lead, all not detected), sterility, bioburden, and bacterial endotoxin. Every specification passed.
Purity is measured by reversed-phase HPLC with UV detection at 214 nm. Mass spec (LC-MS, ESI positive) returned a deconvoluted neutral mass of 4731.4 Da, matching the theoretical mass of retatrutide, which is how identity is confirmed independently of the purity figure.
This certificate documents laboratory identity and purity testing only. The compound is sold for research use only, is not approved by the FDA for human use, and nothing here is medical advice.