All products are sold for Research Use Only. They are not drugs, foods, supplements, or cosmetics, are not approved by the FDA, and are not intended to diagnose, treat, cure, or prevent any disease, or for human or veterinary consumption. To continue you confirm that you are a qualified research professional aged 21 or older.
◆COA Certified · Every Batch Tested◆Same-Day Shipping on Orders by 2PM EST◆USA Sourced · USA Shipped◆Free Shipping on Orders Over $300◆≥99% Purity — HPLC + Mass Spec◆Endotoxin Tested · Sterility Verified◆COA Certified · Every Batch Tested◆Same-Day Shipping on Orders by 2PM EST◆USA Sourced · USA Shipped◆Free Shipping on Orders Over $300◆≥99% Purity — HPLC + Mass Spec◆Endotoxin Tested · Sterility Verified
For Laboratory & Research Use Only — Not for Human or Veterinary Use
P-21 is a synthetic peptide used in laboratory research for neurotrophic and neuronal signaling studies. Synthesized via SPPS and HPLC-purified, it ensures analytical-grade purity for controlled biochemical research and assay applications.
99.9% Purity
Research Grade
COA Verified
Third-Party Tested
$120.00
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 12pm CT
Secure checkout · Free shipping on orders $300+
Synthetic Peptide Analogue for Neurochemical Research
Technical Overview
P-21 is a synthetic peptide derivative designed for laboratory evaluation of neurotrophic signaling mechanisms. In biochemical research environments, this peptide is frequently utilized in studies examining neuronal signaling pathways and peptide stability in controlled experimental models. P-21 is synthesized via solid-phase peptide synthesis and purified using HPLC techniques to ensure analytical-grade purity.
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; refrigerate reconstituted solution at 2-8°C.
Answers
Frequently Asked Questions
Is P-21 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 to download on this page.
Can I see the Certificate of Analysis before buying?
Yes. A lot-matched COA is available on this product page and in our COA library before purchase, 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 12pm CT 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.