Looking to source pinealon peptide for sale for your laboratory? PX1 Research supplies high-purity, USA-manufactured Pinealon (Glu-Asp-Arg tripeptide) formulated strictly for in vitro and preclinical research applications. Every lot undergoes rigorous ISO 17025 third-party testing, including RP-HPLC purity analysis, mass spectrometry sequence confirmation, and endotoxin screening to ensure uncompromised experimental reproducibility.
Looking to source pinealon peptide for sale for your laboratory? PX1 Research supplies high-purity, USA-manufactured Pinealon (Glu-Asp-Arg tripeptide) formulated strictly for in vitro and preclinical research applications. Every lot undergoes rigorous ISO 17025 third-party testing, including RP-HPLC purity analysis, mass spectrometry sequence confirmation, and endotoxin screening to ensure uncompromised experimental reproducibility.
When evaluating suppliers to purchase pinealon peptide for sale, research institutions and laboratory investigators must prioritize analytical transparency, structural verification, and strict chemical purity. Pinealon is a short-chain bioregulatory tripeptide comprising the amino acid sequence Glutamic Acid-Aspartate-Arginine (Glu-Asp-Arg or EDR). Because synthetic peptide synthesis can introduce truncated sequences, residual reagents, or counterion impurities, procuring research-grade material requires robust verification protocols.
At PX1 Research, every batch of Pinealon is synthesized in domestic, GMP-compliant manufacturing facilities and subjected to independent ISO 17025 laboratory analysis. We provide accessible, lot-specific Certificates of Analysis (COAs) documenting purity levels exceeding 99% via Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) alongside exact molecular weight confirmation via Electrospray Ionization Mass Spectrometry (ESI-MS). Acquiring certified reference-grade compounds ensures that observed cellular responses in experimental models derive solely from the target peptide structure rather than synthetic contaminants.
Pinealon is categorized chemically as a synthetic short-chain peptide (tripeptide) with the chemical formula C15H26N6O8 and a monoisotopic molecular weight of approximately 418.40 g/mol. Its primary sequence, H-Glu-Asp-Arg-OH, features acidic residues (Glutamic Acid and Aspartic Acid) paired with a basic, positively charged Arginine residue at the C-terminus. This distinct charge distribution endows the molecule with unique physicochemical properties, including high aqueous solubility and hydrophilic permeability parameters in cell culture environments.
Due to its short amino acid sequence, Pinealon exhibits lower steric hindrance compared to larger polypeptide chains. In structural biology literature, short regulatory peptides are investigated for their ability to cross lipid membranes via passive diffusion or specific transport mechanisms, interacting directly with intracellular structures and nuclear chromatin without requiring complex receptor endocytosis. When acquiring research peptides for cellular or cell-free assays, structural fidelity must be validated via mass spectrometry to rule out isomer formation or amino acid substitution during solid-phase peptide synthesis (SPPS).
In vitro data indicate that short synthetic tripeptides like Pinealon may participate in direct interactions with chromatin structures, specifically binding to double-stranded DNA motifs in a sequence-selective manner. Preclinical studies suggest that the basic amino acid residues in short peptides facilitate binding to the major and minor grooves of DNA, influencing localized chromatin condensation and histone modification profiles.
Laboratory investigations using primary cell cultures have examined Pinealon's capacity to modulate the transcriptional activity of specific genes associated with cellular aging, protein folding, and antioxidant response elements (ARE). Specifically, research models evaluating neuronal and endothelial cell lines demonstrate changes in the mRNA expression of heat shock proteins (HSPs), super oxide dismutase (SOD), and anti-apoptotic markers following peptide incubation. These preclinical findings suggest that Pinealon functions primarily as an epigenetic regulator rather than a traditional classical receptor agonist.
A substantial portion of published preclinical literature regarding Pinealon focuses on its activity within neuronal cell cultures exposed to chemical toxins, hypoxia, or reactive oxygen species (ROS). In vitro assays utilizing PC12 pheochromocytoma cells and primary rat cortical neurons demonstrate that pre-incubation with Pinealon significantly reduces accumulation of malondialdehyde (MDA) and intracellular hydrogen peroxide levels following oxidative insult.
Rodent model studies examining ischemia-reperfusion models have further observed that administration of EDR tripeptide correlates with decreased rates of apoptotic cell death in hippocampal tissue slices. Researchers measuring caspase-3 activation and the ratio of Bax to Bcl-2 proteins noted a shift toward pro-survival signaling cascades under hypoxic conditions. These findings provide a compelling framework for ongoing investigation into how ultra-short peptides preserve mitochondrial membrane potential and cellular viability in stressful microenvironments.
Pinealon belongs to a broader class of ultra-short peptide bioregulators developed to study targeted cellular signaling. To select the appropriate reagent for specific experimental designs, researchers frequently compare Pinealon against other short-chain compounds with distinct primary sequences and target tissue specificity.
While Pinealon (Glu-Asp-Arg) is predominantly investigated in central nervous system and neuronal oxidative stress models, related compounds such as Epitalon (Ala-Glu-Asp-Gly) are typically studied for their effects on telomerase activity and circadian rhythm gene expression in pineal gland assays. Similarly, synthetic central nervous system peptides like Semax operate via distinct neurotrophic signaling pathways (such as BDNF and NGF expression upregulation) rather than direct chromatin groove binding. Comparing these compounds side-by-side allows laboratory researchers to dissect overlapping epigenetic mechanisms versus specialized receptor-mediated pathways in cell culture systems.
To ensure reproducible data across multi-phase laboratory trials, research peptides must undergo exhaustive quality control. PX1 Research adheres to stringent analytical verification protocols, ensuring that every lot of Pinealon offered for sale meets verified standards prior to release.
Primary quality parameters verified by our independent laboratory partner include:
• RP-HPLC Purity Analysis: Assays confirm chemical purity exceeding 98% (typically >99%), eliminating synthetic truncation sequences and protecting against variable baseline readings in cell assays.
• ESI-MS Mass Spectrum Verification: Confirms precise molecular mass (418.4 g/mol) to verify identical amino acid composition without unexpected post-translational modifications or incorrect sequences.
• Chromogenic LAL Endotoxin Quantification: Ensures bacterial endotoxin levels remain strictly below <0.01 EU/mg, preventing unspecific inflammatory responses in delicate cell culture systems.
• Microelemental and Residual Solvent Analysis: Verifies total removal of toxic coupling agents (e.g., PyBOP, DMF, TFA counterions) utilized during solid-phase synthesis.
Pinealon is supplied as a lyophilized (freeze-dried) powder under vacuum seal to preserve molecular stability during transit and storage. For laboratory reconstitution, standard aseptic technique must be observed within a laminar flow hood to maintain sterility.
Because Pinealon contains acidic residues alongside a basic Arginine group, it demonstrates excellent solubility in aqueous buffer solutions. Reconstitution in sterile phosphate-buffered saline (PBS, pH 7.4) or sterile 0.9% sodium chloride solution is recommended for cell culture applications. If stock solutions require high concentrations, gentle vortexing or short room-temperature equilibration will yield a clear, colorless solution. Researchers preparing stock solutions for cell culture models should filter the reconstituted liquid through a 0.22-micron polyethersulfone (PES) syringe filter to eliminate any potential physical particulate prior to pipetting onto culture plates.
Maintaining chemical stability is critical for preserving peptide integrity over extended research timelines. Upon receipt of lyophilized Pinealon, vials should be stored immediately in a temperature-controlled freezer at -20°C for short-to-medium duration, or at -80°C for long-term storage exceeding six months. Lyophilized samples kept sealed in desiccated conditions remain stable for up to 24 months without significant degradation.
Once reconstituted into aqueous solution, short-chain tripeptides become more susceptible to enzymatic cleavage and hydrolysis. Reconstituted Pinealon aliquots should be used immediately or frozen in single-use working volumes at -20°C to prevent repeated freeze-thaw cycles. Subjecting peptide solutions to multiple thermal fluctuations can cause peptide aggregation or degradation, compromising assay consistency. For comprehensive storage parameters across our catalog, consult our research library hub.
Reliability in supply chain logistics is essential for academic facilities, biotechnology firms, and contract research organizations (CROs) running timed longitudinal studies. PX1 Research operates domestic manufacturing and distribution facilities located in California and Arizona, facilitating rapid order fulfillment and eliminate cross-border customs delays.
Orders placed Monday through Friday before our cutoff times feature same-day dispatch, backed by full lot traceability and transparent documentation. Institutional laboratories requiring bulk quantities, custom vial packaging, or dedicated supply contracts can establish direct procurement channels via our PX1 Research wholesale program. Providing pure, verifiably consistent research compounds remains our single commitment to the scientific community.
What is the primary sequence and molecular weight of Pinealon?
Pinealon is a synthetic tripeptide with the primary sequence Glutamic Acid-Aspartate-Arginine (Glu-Asp-Arg or EDR). It has a monoisotopic molecular weight of approximately 418.40 g/mol.
What analytical testing is performed on Pinealon at PX1 Research?
Every lot of Pinealon undergoes ISO 17025 third-party laboratory verification, including Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) for chemical purity, Electrospray Ionization Mass Spectrometry (ESI-MS) for sequence confirmation, and LAL chromogenic assays for endotoxin quantification.
Is Pinealon peptide for sale intended for human use or therapeutic treatment?
No. Pinealon is strictly supplied as a research-grade chemical compound intended exclusively for in vitro laboratory experiments, cellular assays, and preclinical research models. It is not for human or animal consumption, medical treatment, or clinical application.
How should lyophilized Pinealon be stored upon arrival?
Lyophilized Pinealon should be stored at -20°C for medium-term research or -80°C for long-term storage in a desiccated environment. Protected from light and moisture, the freeze-dried powder remains stable for up to 24 months.
What diluents are recommended for reconstituting Pinealon for in vitro cell culture?
Pinealon readily dissolves in sterile phosphate-buffered saline (PBS, pH 7.4), sterile 0.9% sodium chloride, or sterile bacteriostatic water depending on experimental protocols. Passing the reconstituted solution through a 0.22-micron filter prior to cell assay application is recommended.
What is the maximum endotoxin limit allowed for PX1 Research peptides?
PX1 Research enforces strict quality thresholds requiring bacterial endotoxins to remain below <0.01 EU/mg, preventing unwanted biological responses or background interference during sensitive cell assays.
How does Pinealon differ structurally from Epitalon?
Pinealon is a tripeptide with the sequence Glu-Asp-Arg (EDR), whereas Epitalon is a tetrapeptide with the sequence Ala-Glu-Asp-Gly (AEDG). While both belong to the bioregulatory peptide class, they target different gene pathways and biological models in preclinical research.
Where does PX1 Research ship Pinealon orders from?
All orders are manufactured and dispatched directly from domestic fulfillment centers located in California and Arizona, offering same-day shipping on orders placed Monday through Friday.
All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.