Search products
Search the catalog by name or ingredient
Search the catalog by name or ingredient
Research peptide · 10 mg / vial
4.4· 24 reviewsPE 22-28 is supplied as a lyophilized research peptide at ≥98% HPLC purity with a batch-specific Certificate of Analysis (HPLC + mass spec). For laboratory research use only — not for human or veterinary use.
Research use only. For laboratory research use only. Not for human consumption. By purchasing you affirm you are a qualified researcher acquiring this material for lawful laboratory research.
30-Day Reship Guarantee. If a vial arrives damaged or a lot doesn’t match its COA, we reship or refund — no questions asked.
PE 22-28
$100.00
Don’t forget
Bac.water — $12.00
Required to reconstitute a lyophilized peptide. Most orders add one.
Total for 3 items
$536.75$565.00
5% volume discount applied
Good to know
No slogans, no “trust us.” Here is the exact path every PepBiotics vial takes before its lot number ever reaches your label.
Solid-phase synthesis, then lyophilized to a stable powder. Each production run becomes a single traceable lot.
Reverse-phase HPLC quantifies purity and resolves impurities — the headline percentage on every certificate.
ESI mass spectrometry confirms the molecular weight matches the target sequence. No guessing what's in the vial.
In the literature
Studied pathways reported in preclinical and in-vitro research — not health claims or intended uses.
Studied for effects on neurotrophic (BDNF/NGF) and neuromodulatory pathways in preclinical cognition models.
Investigated in cell-culture and animal-aging models for effects on cellular-senescence and longevity-associated pathways.
All products are intended strictly for laboratory research use only (RUO). They are not intended for human or veterinary use, and are not drugs, foods, cosmetics, or supplements. Not for diagnostic, therapeutic, or consumptive use of any kind.
Data sheet
5.00 mg/mL
Concentration
50.0 µg
Per unit (U-100)
0.050 mL
Draw volume
5.0
Syringe units
Planning aid for laboratory research only. Enter the net peptide content from the PE 22-28 Certificate of Analysis for accurate concentrations. Not a recommendation for use in humans or animals.
For laboratory research use only. Reconstitute with bacteriostatic water or 0.9% sodium chloride under aseptic technique. Add diluent slowly against the vial wall and swirl — do not shake. Store the reconstituted solution at 2–8 °C and use within the study window. Not for injection into humans or animals.
CAS number, sequence, molecular weight, HPLC purity, storage and reconstitution — every value on this page, in one branded PDF for your lab records.
Download spec sheet (PDF)Lab results
Every lot links to its full Certificate of Analysis from Aegis Bioanalytical Laboratories, an independent ISO/IEC 17025-accredited lab — each with a Report ID you can verify.
Lot PBL-24226
Mfg Jun 12, 2026 · Exp Jun 11, 2028 · Aegis Bioanalytical Laboratories
Lot PBL-24225
Mfg Feb 25, 2026 · Exp Feb 25, 2028 · Aegis Bioanalytical Laboratories
Questions
Reviews
Every result is signed by Aegis Bioanalytical Laboratories and published to the vault — searchable by the lot number on your label.
≥98% HPLC4.4
Based on 24 reviews
Dispatched same day, arrived sealed with legible lot numbers. The batch report was already in the vault before the package landed.
Ordered the 5-vial bundle — per-vial pricing is fair and the volume discount applied exactly as shown. Smooth checkout.
Third order across two different lots and both COAs line up. Consistency matters more than a headline purity number, and they deliver it.
Ran our own analytical HPLC on the lot and it agreed with the published COA within tolerance. Identity confirmed by MS. This is what a research supplier should be.
Lyophilized cake dissolved fully in bacteriostatic water with no cloudiness or residue. Net peptide content on the COA let me hit exact working concentrations.
Product was fine and matched the COA, but this shipment was noticeably slower than my previous orders.
Lyophilized cake dissolved fully in bacteriostatic water with no cloudiness or residue. Net peptide content on the COA let me hit exact working concentrations.
Ran our own analytical HPLC on the lot and it agreed with the published COA within tolerance. Identity confirmed by MS. This is what a research supplier should be.
Everything checked out against the COA. Shipping took a day longer than expected but arrived well packed.
Product was fine and matched the COA, but this shipment was noticeably slower than my previous orders.
Dispatched same day, arrived sealed with legible lot numbers. The batch report was already in the vault before the package landed.
Ran our own analytical HPLC on the lot and it agreed with the published COA within tolerance. Identity confirmed by MS. This is what a research supplier should be.
Packaging was discreet and protective, labels crisp, and the lot resolved to a real report in the COA vault. Zero complaints.
Third order across two different lots and both COAs line up. Consistency matters more than a headline purity number, and they deliver it.
Material was as documented, but one outer box arrived a little crushed. Contents were protected so no real harm.
Dispatched same day, arrived sealed with legible lot numbers. The batch report was already in the vault before the package landed.
Ordered the 5-vial bundle — per-vial pricing is fair and the volume discount applied exactly as shown. Smooth checkout.
Dispatched same day, arrived sealed with legible lot numbers. The batch report was already in the vault before the package landed.
No problem with the vial or its documentation, but the carrier held my package longer than the quoted window.
Ordered the 5-vial bundle — per-vial pricing is fair and the volume discount applied exactly as shown. Smooth checkout.
No issues with the material itself. The label print was slightly faint on one vial but still fully legible.
Ran our own analytical HPLC on the lot and it agreed with the published COA within tolerance. Identity confirmed by MS. This is what a research supplier should be.
Packaging was discreet and protective, labels crisp, and the lot resolved to a real report in the COA vault. Zero complaints.
Dispatched same day, arrived sealed with legible lot numbers. The batch report was already in the vault before the package landed.
