KPV
Synthetic tripeptide. Loti Labs supplies it as lyophilized powder in 5 mg vials and as 500 mcg capsules, 30 per bottle, for laboratory research.
Free acid reference (Val-COOH). The residue order matches the last three residues of α-MSH.
Specifications
Reference dataFormula, molecular weight and CAS number are reference values for the compound, not measurements of a specific batch.
- Compound
- KPV
- Class
- Synthetic tripeptide
- Molecular formula
- C16H30N4O4
- Physical presentation
- Lyophilized powder, sealed vial; capsules, 30 count
- Formats
- 5 mg vial · 500 mcg per capsule, 30 capsules
- Sequence
- H-KPV-OH
- Reference form
- Unless the product label states otherwise, the peptide is supplied as the acetate salt. The molecular formula, molecular weight and CAS number shown refer to KPV free acid (H-Lys-Pro-Val-OH).
Current certificates of analysis
TipMatch the batch number on your vial label to the certificate. Click any certificate to open it full size.
5 mg vial
Batch LL-KPV-726 tested at 99.82% purity by RP-HPLC. Identity was found to conform by mass spectrometry. Endotoxin screen: <0.05 EU/mL.
- Batch
- LL-KPV-726
- Tested
- Jul 27, 2026
- Laboratory
- Bioviridian
500 mcg per capsule, 30 capsules
Batch LLKPV626 tested at 99.7% purity by RP-HPLC. Identity was confirmed by mass spectrometry. Endotoxin screen: <0.05 EU/mL.
- Batch
- LLKPV626
- Tested
- Jun 29, 2026
- Laboratory
- Bioviridian
Batch history
RecordEvery certificate stays on record under its batch number, even after a newer batch arrives.
| Tested | Format | Batch | Purity | Identity | Laboratory | |
|---|---|---|---|---|---|---|
| Jul 27, 2026 | 5 mg vial | LL-KPV-726 | 99.82% | Conforms | Bioviridian | Certificate |
| Jun 29, 2026 | 500 mcg per capsule, 30 capsules | LLKPV626 | 99.7% | Confirmed | Bioviridian | Certificate |
Also in these research blends
BlendsEach blend is tested as its own batch, with its own certificate.
Klow Blend 80mg
GHK-Cu 50 mg, BPC-157 10 mg, TB-500 10 mg, KPV 10 mg
How every batch is tested
MethodEvery Loti Labs batch goes to an independent, U.S.-based third-party laboratory.
- 1
Sample sent
Samples from the production batch go to the laboratory under the batch number.
- 2
Purity
HPLC separates sample components and can be used to assess chromatographic purity. Determining absolute compound content requires a validated quantitative assay.
- 3
Identity
Mass spectrometry provides evidence supporting compound identity, where reported.
- 4
Archived
The certificate is published and kept for good. Search the archive.
Questions researchers ask
ArchiveEvery certificate we have published is searchable in the COA archive.
What purity is the current KPV batch?
5 mg vial: batch LL-KPV-726 tested at 99.82% purity by RP-HPLC on Jul 27, 2026, identity confirmed by mass spectrometry. 500 mcg per capsule, 30 capsules: batch LLKPV626 tested at 99.7% purity by RP-HPLC on Jun 29, 2026, identity confirmed by mass spectrometry.
What is the molecular formula and weight of KPV?
KPV has molecular formula C16H30N4O4 and a molecular weight of 342.4 g/mol, CAS 67727-97-3. Unless the product label states otherwise, the peptide is supplied as the acetate salt. The molecular formula, molecular weight and CAS number shown refer to KPV free acid (H-Lys-Pro-Val-OH).
How do I find the certificate for my vial?
Match the lot number printed on the vial label to the batch column in the history table, or search it in the Loti Labs COA archive. Every certificate is kept permanently under its batch number.
What is KPV from Loti Labs intended for?
Loti Labs supplies KPV strictly for laboratory, analytical and research use. It is not for human or veterinary use, and it is not a drug, food or cosmetic.
Further reading on KPV
- KPV Tripeptide: Alpha-MSH C-Terminal Fragment Research in Mucosal and Inflammatory Models
- BPC-157 Legal Status 2026: FDA Category 2 Removal, PCAC Review & Research Access
- Klow Blend: Four-Peptide Research Formulation Guide (GHK-Cu, BPC-157, TB-500, KPV)
- GHK-Cu Copper Peptide: Mechanism of Action, Skin Regeneration & Collagen Research
- KPV Tripeptide: Melanocortin Signaling and NF-κB Pathway Research
Related compound profiles
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Research use only. This page is provided for laboratory, analytical and research reference. Products are not drugs, foods or cosmetics and are not for human or veterinary use.