VitalityPeptidesResearch Division · Quality Control
Certificate of Analysis
Third-party verified · research use only
RELEASED
Certificate No.VP-COA-KPV10-260506
Lot / Batch No.JP20260023
Sample codeKPV10
Analysis DateMay 6, 2026
ExpiryMay 2028
Product information
Product nameKPV
ClassC-terminal α-MSH tripeptide (Lys-Pro-Val)
CAS number67727-97-3
Molecular weight342.4 g/mol
Molecular formulaC16H30N4O4
AppearanceWhite to off-white lyophilised powder
HPLC purity
99.19 %
Net content
13.1 mg / 10 mg claim
A synthetic tripeptide corresponding to the C-terminal sequence of alpha-melanocyte-stimulating hormone.
Analytical results
| Parameter | Method | Specification | Result | Status |
|---|---|---|---|---|
| Purity (HPLC) | RP-HPLC, UV 214 nm | ≥ 98.0 % | 99.193 % | Pass |
| Net peptide content | Quantitative HPLC | ≥ 10 mg / vial | 13.1 mg | Pass |
| Bacterial endotoxins | LAL (kinetic) | ≤ 10 EU/vial (research screen) | >10 EU/Vial (26.681 est.) | Review |
Note on endotoxin: Above the assay’s validated range; a re-test at higher dilution is recommended.
RP-HPLC chromatogram
Representative trace illustrating the measured purity; the 99.193% 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, purity and endotoxin). 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 · May 6, 2026
- 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.