High-Performance Liquid Chromatography
Quantifies purity against reference standards. Release threshold: ≥ 98%.
Lab Testing
Proof, published.
Each vial carries a batch number. That number maps to an independent certificate of analysis covering purity, identity and contamination screening. Request any COA and we will send the full report.
Find a batch
Can’t find your batch? Email documentation@regentpeptides.com and we will respond within one working day.
Analytical methods
Mass Spectrometry
Confirms molecular identity and sequence weight for every synthesised lot.
Endotoxin & Sterility Panel
Screens lyophilised product for bacterial endotoxin and microbial burden.
Recent releases
| Batch | Record | Purity | Released |
|---|---|---|---|
| RP-2601-A | Batch reference | 99.2% | Jan 2026 |
| RP-2602-C | Batch reference | 98.7% | Feb 2026 |
| RP-2604-B | Batch reference | 99.4% | Apr 2026 |