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Independent test fails? Full refund.
10 vials per kit, from 1 kit per product and strength. We reply to every quote request within 24 hours. How quotes work →
10 vials per kit · from 1 kit · reply within 24 hours Quotes →
10 vials per kit · from 1 kit Quotes →
Lys-Glu-Asp (KED), a linear tripeptide with free amino and carboxyl ends
Research topic: Skin & ageing · group: Other skin-research compounds
Lys-Glu-Asp, abbreviated KED, is a linear tripeptide with a free amino group on the lysine and a free carboxyl group on the aspartate; Vesugen, also spelled Vezugen, is the name it is listed under. The order of the three residues is part of its identity: rearrangements such as Asp-Glu-Lys share its formula and mass exactly, so a lot is identified by confirming the sequence, not by mass alone. It comes from the short-peptide literature of the Khavinson research network. On pepoderma it is listed with the other skin-research compounds of the skin and ageing topic, next to the tripeptide KPV. Our product data cite cell-culture, organotypic and mouse studies and two small human reports, by PubMed record but without author names.
The COA of every lot of Lys-Glu-Asp (KED) reports:
Ask for the COA of the batch you are quoted; the batch number on it is the batch we ship.
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| Field | Value | Source |
|---|---|---|
| Chemical name | Lys-Glu-Asp (KED) | Our product table |
| Other names | Vesugen · Vezugen · Lysyl-glutamyl-aspartic acid | Our product table |
| Sequence | KED (Lys-Glu-Asp) | Our product table |
| Molecular formula | C15H26N4O8 | Our product table |
| Molecular weight | 390.4 g/molCalculated from the formula shown; our product table gives no value. | Calculated from the formula (standard atomic weights) |
| CAS number | 204271-66-9 | Our product table |
| Strengths (per vial) | 10 mg | Our product table |
| Kit and minimum order | 10 vials per kit · from 1 kit per strength | Our product table |
| Form | Lyophilized powder | Our product table |
| Catalogue codes | 10 mg: VES10 | Our product table |
| Purity specification | ≥ 99.0% (HPLC)Specification; the measured value is on the COA of the lot. | Our product table |
| Appearance | White to off-white lyophilized powder | Our product table |
| Storage | Store at 2–8 °C, protected from light and moisture | Our product table |
| Batch COA | HPLC purity · MS identity · endotoxin · fill — every lot | Our batch COA |
Product-table values checked 2026-10-09. The measured values of a lot are on its COA.
Our product data cite the Lys-Glu-Asp papers (cell, organotypic-culture and mouse studies, and two small uncontrolled human reports) by PubMed record without author names, so no study table is shown.
What to put in your quote request
With these facts the first reply can carry the unit price per kit, shipping and lead time.
No. It is the name the tripeptide is sold under. The chemical identity is H-Lys-Glu-Asp-OH, and that is what the fact table and the lot COA refer to; chemical registries such as PubChem list it under that name.
Not on its own. Other orders of the same three residues have the same formula and mass, so the identity test also has to read the sequence, for example by MS/MS fragmentation.
Our product data do not confirm it. One paper reports on a tripeptide coded T-38 without giving its sequence, so we do not list T-38 as another name for this product.
One kit is 10 vials of the same product at the same strength. Each vial holds the stated amount, for example 10 mg of lyophilized peptide; the few solutions are stated per vial in mg or ml. 1 kit per product and strength. One order can combine several products and strengths, each from 1 kit.
HPLC purity, MS identity, endotoxin and fill, on the COA of every lot of a stocked peptide. The COA carries the lot number, so you can match it to the vials you receive. Yes. Ask for the COA of the batch you are quoted; the batch number on that COA is the batch we ship.
In writing, per request. Prices are tiered by the number of kits of each peptide and strength; the quotation gives the unit price per kit, the shipping cost and the lead time. We reply within 24 hours.
Because listings describe different forms: a free peptide or a salt (acetate, TFA), a copper complex or its free peptide, one peptide or a two-peptide material — and some registries keep older numbers. Each product page says which form its values refer to; the COA of the lot is the reference.
Related peptides
3-mer
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4-mer
Synthetic tetrapeptide Ala-Glu-Asp-Gly (AEDG), also spelled Epitalon
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