PE 22-28 is a synthetic analog of spadin studied for its role in TREK-1 potassium-channel research, supplied by Certiva as a lyophilized reference material for laboratory research use only. It is not for human consumption.

Is a Certificate of Analysis provided?

Yes. Every batch ships with an independent, third-party Certificate of Analysis reporting HPLC purity (typically ≥ 99%) and identity confirmation. Request the current batch COA together with your inquiry.

What specifications and quantities are available?

PE 22-28 is stocked at 10 mg per vial, 10 vials per box. Bulk and custom quantities are available on inquiry. No public pricing — we reply with a COA and quote within one business day.

How should PE 22-28 be stored?

Lyophilized PE 22-28 is stored cold (typically -20°C), kept dry and away from light. Reconstituted material is kept refrigerated and used within its tested window; full handling notes accompany each order.

PE 22-28 Peptide Supplier & COA

PE 22-28 is a spadin-analog research peptide, supplied lyophilized as a reference.

Also known as: spadin analog

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Specification10 mg

Quantity

boxes

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No pricing online — we reply with a batch COA and quote within one business day.

Presentation	10 vials per box
Format	Lyophilized powder
Testing	Third-party HPLC + mass spectrometry, COA per batch
Use	For research use only

For research use only. No medical, therapeutic, or dosing claims.

Working with concentration or unit conversions? Use the peptide reconstitution calculator for transparent mg, mcg, mL and U-100 arithmetic.

Storage guide: How long do lyophilized peptides last?

Prefer to leave your details? Send an inquiry form ↓ · See our COA process

Research applications

TREK-1 potassium-channel pathway research
Neuropeptide and spadin-analog mechanism studies
Neuroscience and behavioural research models
Comparative studies against reference neuropeptides

Listed for research context only — Certiva makes no medical, therapeutic, or dosing claims.

Who we supply

Peptide distributors and international resellers
Research laboratories and universities
Wellness and longevity clinics
Aesthetic clinics and cosmetic procurement teams
Fitness and performance professionals

Frequently asked questions

What is PE 22-28?: PE 22-28 is a synthetic analog of spadin studied for its role in TREK-1 potassium-channel research, supplied by Certiva as a lyophilized reference material for laboratory research use only. It is not for human consumption.
Is a Certificate of Analysis provided?: Yes. Every batch ships with an independent, third-party Certificate of Analysis reporting HPLC purity (typically ≥ 99%) and identity confirmation. Request the current batch COA together with your inquiry.
What specifications and quantities are available?: PE 22-28 is stocked at 10 mg per vial, 10 vials per box. Bulk and custom quantities are available on inquiry. No public pricing — we reply with a COA and quote within one business day.
How should PE 22-28 be stored?: Lyophilized PE 22-28 is stored cold (typically -20°C), kept dry and away from light. Reconstituted material is kept refrigerated and used within its tested window; full handling notes accompany each order.