KPV (Lys-Pro-Val) Tripeptide — Certificate of Analysis
KPV is on pre-order. Its first lot goes to a third-party laboratory for testing, so there is no certificate to show yet. The signed COA is published here, with the laboratory's access code, before any order ships. The form below shows the parameters and specifications that will be reported; result fields are empty until then.

KPV
| Test | Specification | Result |
|---|---|---|
| Appearance | White lyophilized powder | — |
| Identity (HPLC-RTM) | Matches reference standard | — |
| Purity (RP-HPLC, 214 nm) | ≥ 95.0% | — |
| Net peptide content | Report only | — |
| Fentanyl screen (immunoassay) | Not detected, 50 ng/mL cutoff | — |
| Heavy metals (ICP-MS) | As, Cd, Pb, Hg, Cr under stated limits | — |
| Reference data | Value | |
|---|---|---|
| Molecular formula | C16H30N4O4 | |
| CAS number | 67727-97-3 | |
| Sequence | Lys-Pro-Val | |
Awaiting the issued certificate for this lot. Analytical methods on the issued document: RP-HPLC (purity), HPLC-RTM (identity), immunoassay (fentanyl screen), ICP-MS (elemental impurities). For research use only — not for human or veterinary use.
