KPV

Description

What is KPV?

KPV is the tripeptide Lys-Pro-Val, which matches residues 11 to 13 of alpha-melanocyte stimulating hormone. Its molecular weight is 342.44 Da (C16H30N4O4). Peptryn supplies it as a lyophilized laboratory material in 5mg and 10mg sizes.

KPV specifications

Compound	KPV (Lys-Pro-Val)
Size	5mg and 10mg
Form	Lyophilized powder
Molecular weight	342.44 Da
Formula	C16H30N4O4
CAS number	67727-97-3

Lot testing and COA

Lot 2026-09-17 was tested by MZ Biolabs. The 5mg size reads 99.92% HPLC purity and the 10mg size 99.79%, with identity confirmed by mass spectrometry. Read the KPV 5mg COA or the KPV 10mg COA; each links to a report on the lab’s own site. The certificates do not include an endotoxin or net peptide content result, so email [email protected] with the product name and lot if you need either. Our KPV buying guide explains what to check on any KPV listing. Our guide to reading a certificate of analysis explains what a lot-matched report should contain.

Ordering

Orders placed on peptryn.com ship from the USA with same-day dispatch, and shipping is free on orders over $150. For a question about a lot or a size, email [email protected].

Storage

Store lyophilized powder at -20°C, protected from light and repeated freeze-thaw cycles.

Frequently asked questions

What is KPV?

KPV is the tripeptide Lys-Pro-Val, matching residues 11 to 13 of alpha-melanocyte stimulating hormone, about 342 Da. Peptryn supplies it as a lyophilized laboratory material in 5mg and 10mg sizes.

What purity is Peptryn’s KPV?

Lot 2026-09-17 reads 99.92% HPLC purity for the 5mg size and 99.79% for the 10mg size, tested by MZ Biolabs. HPLC purity is area percent, the share of the main peak among all detected peaks; see our guide to peptide purity for what that means.

How is KPV stored?

Store lyophilized powder at -20°C, protected from light and repeated freeze-thaw cycles.

What is KPV’s CAS number?

KPV’s CAS number is 67727-97-3. Molecular weight: 342.44 Da.

Is KPV for human use?

No. Peptryn sells it for laboratory research only, and it is not approved for human or veterinary use. We do not give dosing or administration guidance.

Is KPV legal to buy?

Yes, as a research chemical for laboratory use. Peptryn sells it strictly for research, not for human use, and you must be 21 or older to order. See our guide to peptide legality.

Related: What is a COA? · Peptide testing · Popular peptides

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For laboratory research use only. Not for human or veterinary use, and not a drug, food, dietary supplement or cosmetic. You must be 21 or older to buy.