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RESEARCH USE ONLY: All products are intended for research use only as defined by the FDA. Not for use in diagnostic procedures, human use, or veterinary use. 

All peptidesLoti Labs peptides are made and tested in the USA.

KPV 5mg

Manufactured and tested in the USA
Made in U.S. facilities and third-party tested every batch. It costs a little more, and it's worth it.
Third-party tested in the USA
Every batch is tested by a U.S.-based third-party laboratory.
USA Made

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KPV 5mg is a synthetic tripeptide with the amino acid sequence Lys-Pro-Val, derived from the C-terminal fragment (residues 11 to 13) of alpha-melanocyte stimulating hormone (α-MSH). It has a molecular weight of 342.4 g/mol and is classified as an α-MSH-derived fragment. Supplied as a 5mg lyophilized powder with ≥98% purity. For in-vitro research use only.

Products are of the utmost purity and concentration… Shipping is VERY fast. Customer service is professional and very responsive.

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Additional information

Weight 0.008125 lbs
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Buy KPV 5mg at Loti Labs

Molecular Structure of KPV Peptide

The molecular composition of KPV peptide is three specific amino acids in a specific sequence. This tripeptide has lysine, proline and valine, a compact yet functionally significant molecule for research.

Amino Sequence: Lysine-Proline-Valine (KPV tripeptide)

Molecular formula: C16H30N4O4

Molecular Weight: 342.43 g/mol

Pubchem CID: 125672

CAS #: 67727-97-3

Three residues is about as small as a peptide gets, and that helps. KPV stays stable in storage, and short sequences like this one are simpler to synthesize and purify than long chains, which is one reason labs like working with them.

The molecular structure also supports the peptide’s function as a research tool. The lysine residue gives a positive charge that may interact with cellular membrane, the proline creates structural rigidity that maintain the peptide’s 3D configuration and the valine, a branched chain amino acid, adds hydrophobic properties.

Storage and Safety

Keep lyophilized KPV somewhere cool and dry, and leave the vial seal alone until you’re ready to use it. That’s the easiest way to protect the powder over the course of a study. If your facility has temperature controlled storage, use it.

For research protocols researchers should establish their own experimental parameters based on their study requirements. Researchers should consult relevant literature and establish their own controls when designing their experimental protocols.

Laboratory personnel handling KPV peptide should follow standard safety protocols for research chemicals, including personal protective equipment and proper disposal procedures. Following proper lab safety standards protects both personnel and experimental integrity.

Why Buy from Loti Labs

We sell KPV as a 5mg lyophilized powder in a sealed vial. Nothing fancy. Labs that care about getting the same material order after order tend to stick with us, and that’s the customer we built the process around.

Researchers receive product specifications with every order to maintain experimental consistency across multiple studies or research phases. These specifications include molecular composition data, purity certificates and handling instructions to support scientific methodology. Having this documentation allows research teams to keep detailed experimental records and ensure protocol reproducibility.

Before a lot ships, we confirm its molecular identity and screen it for contaminants. If purity and consistency matter for your work (they usually do), that check is the part you’ll care about.

Products from Loti Labs are for Research Use Only

All products sold by Loti Labs are research chemical only. This means the use of this chemical is strictly for in-vitro laboratory testing and experimentation. Human or veterinary use is strictly forbidden. This product is not a drug, food or cosmetic and may not be misbranded, mislabeled or misused as such.

KPV is sold as a research chemical. That label lets qualified labs buy it for legitimate bench work, and it also sets the limits: it is not a drug, and it doesn’t leave the controlled lab setting. Keep notes on how you use it, and run your protocols past your institution’s guidelines and ethics rules. Proper controls are expected, as with any experiment.

It is made and tested for research use only. Not for human consumption, and not for any use outside the lab. Store it somewhere secure and keep access limited to trained staff.

Shipping Policy of Loti Labs

Loti Labs ships same day for orders placed before 1pm EST Monday through Friday so researchers can meet project timelines and protocol continuity. Orders placed after 1pm EST or on weekends will be shipped the next business day to ensure research materials arrive promptly without compromising quality during transport.

The expedited shipping policy supports time sensitive research protocols where delays can impact experimental outcomes or collaborative research schedules. Researchers can buy with confidence that delivery will be within expected timeframes and plan their projects and resources better.

All shipments include proper packaging to protect the peptide vials during transport. Tracking information is provided for all shipments so research facilities can monitor delivery and prepare for receipt of materials.

Returns Policy

Loti Labs offers 30 day satisfaction guarantee on all products. Simply return any unopened products to us for full refund of the purchase price of the unused products. This policy shows we stand behind our product quality and gives researchers protection against procurement risk.

Refunds need the safety seal intact and the return inside the 30 day window. We ask for that because sealed, untouched stock is the only kind we would ever send on to another lab.

Third Party Testing of Every Batch

Every batch we sell goes to a third-party lab for HPLC testing. For KPV, that run confirms the molecular composition and checks for contaminants, so you start with consistent material. Want the numbers? Ask for the certificate of analysis. It lists the purity and molecular details for the lot you bought.

HPLC analysis confirms the identity and concentration of the KPV peptide and screens for potential impurities that can affect research results. This is industry standard methodology for peptide verification and ensures researchers get compounds suitable for sensitive research applications.

The third party testing commitment shows Loti Labs understands research quality depends on material consistency and purity. By maintaining these standards the company supports the scientific community to do reliable and reproducible research that contributes to advancing knowledge in peptide science.

Quality documentation is included with every shipment so researchers have the technical data to validate their experimental protocols and keep detailed lab records. This transparency helps research facilities meet institutional requirements for material documentation and publish research findings with confidence in the source material.

Quality Assurance and Lab Standards

Choosing KPV peptide from Loti Labs means researchers get materials suitable for rigorous scientific research. Each batch is tested to verify molecular identity, purity levels and absence of impurities that can affect research results. This quality assurance process ensures reproducible research results across different lab environments.

Researchers get detailed product specifications that include molecular weight verification, amino acid sequence confirmation and stability data under various storage conditions. This technical information allows scientists to design experimental controls and interpret their results with confidence in the source material.

The standardized manufacturing process ensures consistent product characteristics between batches so researchers can do long term studies without worrying about material variability affecting their results.

Lab personnel can access technical support and product information to optimize their experimental protocols and ensure proper handling of the peptide. This support helps researchers get the most out of their investment in high quality research materials while maintaining proper safety standards.

⚠️ Disclaimer: THIS PRODUCT, SOLD BY LOTI LABS, IS INTENDED AS A RESEARCH CHEMICAL ONLY.
This designation allows the use of this chemical strictly for in-vitro laboratory testing and experimentation. No other uses or purposes are permitted. All information provided on this website is for educational purposes and has been compiled from multiple sources believed to be accurate. Human or animal use of this product is strictly forbidden by law. This product is not a drug, food or cosmetic and may not be misbranded, mislabeled or misused as such. Anyone not adhering to these terms will be blacklisted and forbidden from purchasing.

About Loti Labs

Your Trusted Partner in Research Excellence

A blue, stylized illustration of a cell undergoing division, featuring visible molecular structures and suspended bubbles.Every batch tested. No fillers. No guesswork. At Loti Labs, we’re more than just a supplier — we’re your partner in achieving breakthrough results. With 14+ years of proven expertise, we deliver a boutique experience built on premium quality, fast fulfillment, and client-first service.

Uncompromising Quality Assurance

Each product is thoroughly tested and verified to meet the highest industry standards, ensuring accuracy and reliability for your research.

Personalized Customer Support

Our experienced team is here to assist with inquiries, and special requests, providing responsive, human support at every step.

Lightning-Fast Order Fulfillment

Orders placed before cutoff times are processed with urgency and shipped rapidly, so your research never slows down.

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KPV 5mg by Loti Labs, research use only
KPV 5mg

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