

P21
CNTF-Derived BDNF Mimetic
P21 for sale — research-grade, third-party lab-tested to ≥99% purity. CNTF-Derived BDNF Mimetic. Buy P21 online with crypto, discreet worldwide shipping and a batch-matched COA.
P21 is a synthetic peptidergic compound derived from an active region of Ciliary Neurotrophic Factor (CNTF), engineered as a small-molecule mimetic of neurotrophin signaling. The peptide has been studied in preclinical research for hippocampal neurogenesis, BDNF pathway activation, and synaptic plasticity endpoints. For laboratory research use only.
Mimics CNTF/BDNF receptor activation, stimulating TrkB downstream signaling and promoting adult hippocampal neurogenesis in preclinical models.
For Research Use Only. Sold for in vitro laboratory research. Not for human or veterinary consumption. By purchasing, you confirm you are 21+ and a qualified research professional.
Peptide mimetic derived from Ciliary Neurotrophic Factor.
Every batch of P21 ships with an independently conducted Certificate of Analysis by Janoshik Analytical or Bioviridian. The COA includes HPLC-MS chromatogram, mass spec confirmation, endotoxin levels, and heavy metals screening.
Batch number is printed on the vial label and included in your order confirmation email. Look it up at pepidyn.com/coa.
P21 FAQ
Is P21 a peptide?
P21 — CNTF-Derived BDNF Mimetic — is supplied as a research-grade peptide compound, lyophilized for laboratory study. See the molecular data on this page.
What is P21 used for in research?
P21 is a synthetic peptidergic compound derived from an active region of Ciliary Neurotrophic Factor (CNTF), engineered as a small-molecule mimetic of neurotrophin signaling. The peptide has been studied in preclinical research for hippocampal neurogenesis, BDNF pathway activation, and synaptic plasticity endpoints. For laboratory research use only.
Does P21 come with a COA?
Yes. Every batch ships with an independent Certificate of Analysis (HPLC-MS, mass-spec confirmation, endotoxin and heavy-metals screening). The batch number on the vial matches your order.
How is P21 stored?
Lyophilized P21 is stable at 2–8°C for 24+ months. Room-temperature transit does not affect potency. After reconstitution, store at 2–8°C and use within 30 days.







