Selected: PE-22-28 · 10 MG. Product artwork shows your selected size. Refer to the batch documentation for lot-specific results.
Research material
PE-22-28.
For research use only
Seven residues from a spadin-related research fragment.
Lyophilized powder in a sealed vial. View COA
$70.00 per vial
This size is currently sold out.
Typically dispatched within 1–2 business days after your payment is confirmed.
US shipping: $15 flat, free on orders of $300+ →
Pay by Zelle, USDC on Base or Bitcoin after you order and save 5% · How payment works →
Certificate of analysis10 MG · Report pending
The lot report for this size is in preparation. Contact us for documentation status. A report in preparation is not a test result.
Browse the COA library Ask about documentation01 / The essentials
Know your material.
PE-22-28 is a research peptide supplied as 10mg of lyophilized material per vial. Its full sequence designation distinguishes it from other peptide fragments.
For laboratory research use only. Not for human consumption.
| Compound | PE-22-28 |
|---|---|
| Sizes | 10 MG (sold out) |
| Physical form | Lyophilized powder |
| Format | Sealed vial |
| Storage | Lyophilized powder at −20°C; protect from light and moisture |
| Lot report | Report pending |
| Class | Heptapeptide |
| Length | 7 amino acids |
| Sequence | GVSWGLR |
| Molecular formula | C35H55N11O9 |
| Molecular weight | 773.9 g/mol |
| CAS number | 1801959-12-5 |
| PubChem | CID 165437303 |
Reference values from public records, not a Pioneer lot specification.
The details, before you order
FAQ.
Is PE-22-28 for human or veterinary use?
No. Pioneer Labs supplies PE-22-28 for laboratory research use only. It is not for human consumption or veterinary use.
What’s in the vial?
The selected size is the amount of material per vial. Quantity is the number of vials. Each is presented as lyophilized powder in a sealed vial.
How do I find my batch report?
Match the batch number printed on your vial to its laboratory report. Current and superseded records are available in the certificate library when published.
Browse the COA library How to read a COAHandling & storage
Lyophilized material: Store at −20°C; protect from light and moisture.
Follow the material-specific label and supporting storage documentation. These temperatures do not establish a shelf life.
How to store lyophilized peptidesAsk about this materialWhen is my order dispatched?
Typically within 1–2 business days after your payment is confirmed. We ship to all 50 states + DC: $15 flat, free on orders of $300+. Working to a deadline? Contact our team before you order.
Shipping information Return termsDo I need an account to order?
Yes. Every order is placed from a Pioneer Labs account.
How do I pay?
After you place your order, pay by Zelle, USDC on Base or Bitcoin and save 5%.
How payment worksA size is sold out. Can I hear when it’s back?
Yes. Choose the size, select Request restock, and we’ll email you when it returns.
Have more questions?Contact our team
Pioneer / Research notesPE-22-28Inside the molecule
02 / Go a little deeper
A closer look.
Explore the molecular architecture, research references, and the details that distinguish PE-22-28.
Read the PE-22-28 structure guideRelated research materials.
View all materials →
