KPV is a synthetic tripeptide consisting of lysine, proline, and valine. The sequence corresponds to the C-terminal fragment of alpha-melanocyte-stimulating hormone (α-MSH). It is supplied as a lyophilized powder for analytical evaluation, biochemical characterization, and controlled in vitro laboratory experiments.
Research involving KPV may examine its physicochemical properties, peptide stability, molecular interactions, and activity within defined experimental signaling systems. Any reference to a pathway or biological mechanism describes an area of laboratory investigation and does not establish a clinical application, physiological benefit, or expected outcome.
Each lot is subject to analytical testing. Researchers should review the applicable batch-specific Certificate of Analysis (COA) for available identity, purity, and testing information.
KPV (5mg) is sold exclusively as a laboratory research material. It is not a drug, dietary supplement, food, cosmetic, or veterinary product.
The primary concern for peptide researchers today is product purity. Nord-sci guarantees our product purity by performing independent testing of our products and providing those certifications for our customers in our product descriptions.
THIS PRODUCT IS NOT INTENDED TO TREAT, CURE OR DIAGNOSE ANY CONDITION OR DISEASE AND IS NOT FOR HUMAN CONSUMPTION. ALL PRODUCTS OFFERED ARE INTENDED FOR LABORATORY RESEARCH USE ONLY.
All products are produced using lyophilization (freeze-drying), a preservation method that allows peptides to remain fully stable during shipping for approximately 3-4 months. Once a peptide has been reconstituted with bacteriostatic water, it must be refrigerated to maintain integrity. After reconstitution, peptides typically remain stable for up to 30 days when stored properly.
Lyophilization, also referred to as cryodesiccation, is a specialized dehydration process in which peptides are first frozen and then exposed to a low-pressure environment. This causes the water within the vial to transition directly from a solid to a vapor (sublimation), leaving behind a dry, crystalline white material known as a lyophilized peptide. In this powdered form, peptides may be safely stored at room temperature until they are ready to be reconstituted with bacteriostatic water.
After delivery, peptides should be protected from heat and light. If use is expected within the near future (whether days, weeks, or a few months) refrigerated storage below 4°C (39°F) is generally sufficient. Lyophilized peptides are commonly stable at room temperature for several weeks or longer, making short-term ambient storage acceptable when use is anticipated within that timeframe.
For extended storage, ranging from several months to multiple years, freezing is strongly recommended. Storage at -80°C (-112°F) offers optimal long-term stability and helps preserve peptide structure and quality over time.
For more detailed guidance on peptide handling and storage best practices, please refer to the resource below:
KPV is a synthetic tripeptide research material with the amino-acid sequence lysine-proline-valine, abbreviated Lys-Pro-Val. This sequence corresponds to a three-amino-acid fragment found within the C-terminal region of alpha-melanocyte-stimulating hormone (α-MSH).
In laboratory environments, KPV may be used for analytical evaluation, chemical characterization, peptide-stability studies, molecular-interaction assays, and controlled in vitro experiments involving defined signaling components. References to biological pathways describe areas of laboratory investigation only and do not indicate a clinical application, physiological benefit, or expected outcome.
KPV (5mg) – Research Specifications:
| Compound | KPV |
| Sequence | Lys-Pro-Val |
| Quantity | 5mg per vial |
| Compound Type | Synthetic tripeptide research material |
| Molecular Formula | C16H30N4O4 |
| Molecular Weight | Approximately 342.44 g/mol |
| CAS Number | 67727-97-3 |
| Appearance | Lyophilized powder |
| Source | Chemical synthesis |
| Purity / Identity | Review the batch-specific Certificate of Analysis for applicable analytical methods and reported results |
| Storage Conditions | Store the sealed, lyophilized material at -20°C in a dry, dark environment unless the batch documentation specifies otherwise |
| Intended Use | Controlled laboratory research and analytical applications only |
| Restrictions | Not for human or animal consumption, diagnostic use, therapeutic use, food use, cosmetic use, or veterinary use |
KPV is the abbreviation used for the amino-acid sequence lysine-proline-valine. The sequence is present within the C-terminal region of α-MSH, a larger naturally occurring peptide associated with the melanocortin system.
Isolated peptide fragments may be examined to characterize their chemical properties and behavior within controlled experimental systems. Research involving KPV can include sequence verification, mass confirmation, chromatographic purity assessment, stability analysis, binding studies, and in vitro assays involving defined molecular components.
Experimental results depend on the selected model, concentration, controls, assay design, environmental conditions, exposure period, and analytical methodology. Findings from isolated peptide, biochemical, or cellular models do not independently establish safety, efficacy, clinical utility, or an expected outcome in humans or animals.
Important Research Notice: Nordsci research materials are accompanied by lot-specific analytical documentation when available. Researchers should consult the Certificate of Analysis associated with the specific lot for reported identity, purity, and test-method information.
THIS PRODUCT IS FOR LABORATORY RESEARCH USE ONLY. NOT FOR HUMAN OR ANIMAL CONSUMPTION. NOT FOR DIAGNOSTIC, THERAPEUTIC, PROPHYLACTIC, FOOD, COSMETIC, OR VETERINARY USE.
Controlled in vitro studies may use KPV when examining defined molecular components associated with inflammatory signaling systems. These experiments should be evaluated according to the specific assay, target, model, controls, and measured endpoint without implying a health or therapeutic outcome.
KPV may be evaluated in controlled laboratory models involving immune-associated signaling molecules or cellular communication pathways. Such studies examine experimental molecular interactions and do not establish immune-related benefits, clinical effects, or suitability for in vivo use.
Researchers may examine KPV within in vitro assays involving selected cellular stress-response markers or signaling components. Findings remain specific to the experimental conditions and should not be extrapolated beyond the validated scope of the study.
KPV may be included in controlled in vitro research involving epithelial cell models or molecular components associated with barrier-related signaling. This research context does not indicate suitability for ingestion, gastrointestinal use, or treatment of any condition.
KPV (5mg) should be handled only by qualified laboratory personnel using procedures appropriate for synthetic peptide research materials. Laboratories should document material identity, lot number, storage history, environmental conditions, assay controls, equipment, and analytical methods.
Protocol Design Considerations: Experimental results may be affected by material concentration, solvent selection, sample preparation, assay conditions, exposure period, model selection, controls, and detection methodology. Researchers are responsible for validating their protocols and determining whether the material is appropriate for the intended laboratory application.
This information is provided solely as a technical reference for qualified laboratory personnel. It does not provide preparation, dosing, administration, treatment, or in vivo application guidance.
Lot-specific analytical documentation is available for KPV (5mg). Depending on the applicable batch and testing protocol, the documentation may include reported identity, purity, and analytical method information.
Researchers should review the Certificate of Analysis associated with the specific lot received. A COA documents reported analytical results for that lot and does not establish safety, efficacy, sterility, or suitability for human or animal use.
NordSci Peptides supplies KPV (5mg) as a synthetic laboratory research material. Laboratories evaluating research compounds should consider batch traceability, analytical documentation, material specifications, storage requirements, and compatibility with the intended analytical method or in vitro protocol.
IMPORTANT: KPV (5mg) is supplied exclusively for laboratory research and analytical applications. It is not approved for human or animal consumption or for diagnostic, therapeutic, prophylactic, food, cosmetic, or veterinary use. No dosing, administration, or application guidance is provided.
