Description
Selank (Research Grade)
Research Overview
Selank is a synthetic peptide supplied exclusively for laboratory and scientific research. Johnson Peptides provides research-grade material produced under controlled manufacturing processes designed to support batch consistency and product quality for research environments.
Each production batch undergoes quality verification before release. Supporting documentation, including batch-specific Certificates of Analysis (COA), is maintained where applicable to promote transparency and research confidence.
Key Research Applications
Researchers who study Selank peptide use it in several laboratory settings:
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Neuropeptide Signaling Research: Scientists study Selank’s interactions with neurotransmitter systems, including GABAergic, serotonergic, and dopaminergic pathways.
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Cognitive Modulation Studies: Selank is used to investigate peptide-mediated effects on memory formation, learning processes, and synaptic plasticity.
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Immunomodulation Research: As a tuftsin analog, Selank serves as a model for studying peptide-mediated modulation of immune cell activity, cytokine production, and macrophage function.
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Anxiolytic Mechanism Studies: Researchers examine Selank’s effects on stress response pathways and emotional regulation in controlled models.
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Receptor Binding Studies: Selank helps scientists understand peptide-receptor interactions and downstream signaling mechanisms in neurobiological research.
For related research, Selank is often studied alongside other neuroactive peptides such as Semax for comparative analysis of neuropeptide signaling pathways.
Product Specifications
| Specification | Detail |
|---|---|
| Peptide Type | Synthetic Heptapeptide |
| Sequence | Thr-Lys-Pro-Arg-Pro-Gly-Pro (TKPRPGP) |
| Molecular Formula | C₃₃H₅₇N₁₁O₉ |
| Molecular Weight | Approximately 751.9 g/mol |
| CAS Number | 129954-34-3 |
| Purity | ≥99% (HPLC verified, third-party tested) |
| Form | Lyophilized (freeze-dried) powder |
| Storage | Store at -20°C. Protect from light and moisture |
| Synonyms | Selanc; TP-7; Thr-Lys-Pro-Arg-Pro-Gly-Pro |
Available Strengths
| Strength | Catalog Code | Best For |
|---|---|---|
| 10mg | JP-SELANK-10 | Standard research protocols |
Why Choose Selank for Research?
| Feature | Benefit for Your Research |
|---|---|
| Tuftsin Analog | Provides a stable platform for studying immunomodulatory peptide signaling |
| Heptapeptide Structure | Well-characterized sequence with published research |
| Multifunctional Properties | Useful for neuropeptide, cognitive, and immune research |
| ≥99% Purity | Reduces experimental variables for reproducible results |
Quality Assurance
When you buy Selank peptide from Johnson Peptide, you get:
| Quality Step | What This Means for Your Work |
|---|---|
| HPLC Check | Confirms ≥99% purity, so your tests have fewer unknowns |
| Mass Spectrometry | Validates molecular weight and peptide identity |
| Outside Lab Test | A second lab checks our work for fair results |
| Certificate of Analysis | Full records for each batch we ship |
| Trackable Batch | Each vial links to its own lab report |
As a result, you can trust your supplies stay the same from batch to batch. This matters a lot for getting results you can repeat.
View our Certificate of Analysis library for batch-specific documentation.
How to Store, Mix, and Handle (For Lab Use)
Good handling keeps your peptide stable for your tests:
Storage (Before Mixing)
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Keep at -20°C (freezer)
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Shield from light (use dark vials or foil)
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Shield from wetness (keep drying packs nearby)
How to Mix
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Use sterile bacteriostatic water or sterile saline
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Swirl gently—do not shake hard
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Measure based on your test needs
Storage (After Mixing)
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Keep cold at 2-8°C
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Use within 14 to 30 days based on your plan
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Do not freeze and thaw more than once (split into small doses first)
Frequently Asked Questions
Q: What is Selank peptide?
A: Selank is a synthetic heptapeptide (Thr-Lys-Pro-Arg-Pro-Gly-Pro) and a structural analog of the endogenous immunomodulatory peptide tuftsin. It is used in laboratory research for neuropeptide signaling and immunomodulation studies.
Q: What is the amino acid sequence of Selank?
A: The sequence is Thr-Lys-Pro-Arg-Pro-Gly-Pro (one-letter code: TKPRPGP).
Q: What is the molecular weight of Selank?
A: The molecular weight of Selank is approximately 751.9 g/mol

Why Choose Johnson Peptide for Selank?
| Feature | What You Get |
|---|---|
| ≥99% Purity | Outside labs check every batch |
| Certificate of Analysis | Full documentation with each order |
| USA Shipping | Fast, trackable delivery across the US |
| Research-Use Only | Clear compliance labeling |
| Expert Support | Our team answers lab questions |
Related Research Products
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DSIP Peptide → – Neuropeptide for circadian and stress research
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Research Peptides Collection → – Browse all our research compounds
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Certificate of Analysis Library → – View batch-specific documentation
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Contact Us → – Questions about Selank or other peptides?
Ready to Order?
Ready to buy Selank peptide for your lab work? Select your strength above (10mg) and add to cart. Every order comes with a Certificate of Analysis and ≥99% purity verification.
Have questions before you buy? Contact us or email salesagent@johnsonpeptide.com
⚠️ Important Note: All Johnson Peptide products are for laboratory research only. None of our products are for human or animal use, health treatment, or disease care. By purchasing, you confirm you are a trained researcher at least 21 years old. View our Privacy Policy for more information.






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