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PE-22-28

Third-Party Tested · COA Available
PE-22-28: spadin-derived peptide for laboratory research. Third-party tested, 99%+ purity, COA available. Sizes: 10 mg.
$70.00 / 10 mg · USD
Volume pricingApplied automatically at checkout
QuantityPer unitYou save
3–4 units$65.107%
5–9 units$62.3011%
10+ units$58.8016%
Add 2 more to save 7% on every unit.
1
SKU PE-22-28-10MG
The Purity GuaranteeVerified ≥99% by HPLC & mass spectrometry, third-party tested, with a lot-matched Certificate of Analysis on every vial.
  • Certificate of Analysis available for every lot
  • ≥99% purity, HPLC & mass-spec verified
  • Ships from a U.S. facility — same-day before 2PM EST
  • Secure checkout · Free shipping on orders $300+

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PE-22-28PE-22-28In your order
Total for 3 items$108.00

PE-22-28 is a seven-amino-acid fragment derived from spadin, a natural peptide that modulates the TREK-1 potassium channel. It is studied as a TREK-1 channel modulator in neuroscience research.

Common research applications include:

  • TREK-1 potassium channel research
  • Mood and neuroplasticity models
  • Ion-channel pharmacology

Specifications

  • Class: Spadin-derived peptide
  • Form: lyophilized powder in a sealed glass vial
  • Available sizes: 10 mg
  • Purity: verified at 99% or higher by HPLC, identity confirmed by mass spectrometry
  • Testing: every lot is third-party tested, with a lot-matched Certificate of Analysis available on request
  • Manufactured in the USA
  • Storage: keep sealed, cool, dry and away from light; refrigerate after reconstitution

For laboratory research use only. This product is not for human or veterinary use, is not a drug, food or cosmetic, and is not intended to diagnose, treat, cure or prevent any disease.

Purity≥99% by HPLC · COA available
CAS Number1234388-01-0
Molecular FormulaC35H55N11O9
Molecular Weight773.89
Amino Acid Count7
SequenceHeptapeptide Gly-Val-Ser-Trp-Gly-Leu-Arg (GVSWGLR) corresponding to the C-terminal 22-28 region of spadin; linear, unmodified termini (full sequence per COA).
SynonymsSpadin analogue (TREK-1 modulator)
Physical FormLyophilized powder
SolubilitySoluble in bacteriostatic water; consult the product COA for specific solvent recommendations.
StorageStore lyophilized at -20°C; protect from light and moisture. Reconstitute with bacteriostatic water; store reconstituted material refrigerated and use per laboratory procedure.
Answers

Frequently Asked Questions

Is PE-22-28 third-party tested?

Yes. Every lot is independently third-party tested for identity and purity — ≥99% by HPLC and mass spectrometry — with a lot-matched Certificate of Analysis available on request for every lot.

Can I see the Certificate of Analysis before buying?

Yes. Ask us for the lot-matched COA before you order and we will send it, documenting identity, purity, and full analytical results.

What does 'Research Use Only' mean?

This product is supplied strictly for laboratory and research use only (RUO). It is not a drug, food, supplement, or cosmetic, is not approved by the FDA, and is not intended to diagnose, treat, cure, or prevent any disease, or for human or veterinary consumption.

How is it shipped and stored?

Orders placed before 2PM EST typically ship the same business day from our U.S. facility with tracking. Store the lyophilized material at −20°C, protected from light and moisture.

Research Library

Learn more about PE-22-28

PE-22-28 — molecular profile & reference →Reconstitution calculator
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