An Epithalon COA (Certificate of Analysis) provides independent analytical verification of high-purity Epithalon (Ala-Glu-Asp-Gly) synthesized for laboratory research. PX1 Research subjects every batch of synthetic Epithalon to rigorous reverse-phase HPLC and mass spectrometry testing to guarantee structural identity and >99% peptide purity for in vitro and animal models.
An Epithalon COA (Certificate of Analysis) provides independent analytical verification of high-purity Epithalon (Ala-Glu-Asp-Gly) synthesized for laboratory research. PX1 Research subjects every batch of synthetic Epithalon to rigorous reverse-phase HPLC and mass spectrometry testing to guarantee structural identity and >99% peptide purity for in vitro and animal models.
An official epithalon coa serves as the ultimate document of quality, verification, and batch-level transparency for analytical laboratories evaluating synthetic bioregulators. Epithalon—a synthetic tetrapeptide composed of L-alanine, L-glutamic acid, L-aspartic acid, and glycine (Ala-Glu-Asp-Gly)—requires precise chemical validation to ensure experimental consistency across cellular and molecular assays. The COA provides detailed analytical metrics including peptide purity percentage, exact molecular weight verification via mass spectrometry, residual solvent testing, and microbial/endotoxin limit assays.
When inspecting an epithalon coa, research scientists must look beyond generic claims and verify lot-specific chromatograms. Authentic certificates of analysis from PX1 Research feature third-party analytical data executed by ISO 17025 accredited testing facilities. Every lot of our all-peptides catalog undergoes systematic verification to confirm sequence fidelity and eliminate the risk of truncated peptide impurities, unreacted amino acid reagents, or chemical contaminants that could distort in vitro baseline measurements.
Epithalon (also designated as Epitalon or AEDG peptide) is classified as a synthetic short peptide bioregulator. Originally modeled after epithalamin—a crude pineal gland extract studied for its neuroendocrine activity—Epithalon represents the minimal active sequence required to trigger targeted cellular signaling pathways. With a chemical formula of C16H25N5O9 and a theoretical molecular weight of 423.4 g/mol, the exact identity of the compound must be cross-referenced on the batch COA via electrospray ionization mass spectrometry (ESI-MS).
Because small peptide sequences can suffer from synthesis errors such as missing amino acid couplings or racemization during solid-phase peptide synthesis (SPPS), high-resolution mass spec analysis is vital. In our USA-based manufacturing facilities, SPPS conditions are continuously monitored to maintain pristine structural fidelity. Investigators conducting research into bioregulator research depend on this structural precision to evaluate specific peptide-chromatin interactions without interference from synthetic artifacts.
In preclinical model systems, Epithalon has been extensively investigated for its capacity to interact with genetic loci governing cellular senescence and lifespan. Preclinical studies suggest that Epithalon may induce telomerase activity in human somatic cells, promoting catalytic elongation of telomeric repeat sequences (TTAGGG) during cell division. Telomerase activation plays a pivotal role in maintaining genomic stability and preventing premature induction of the senescence-associated secretory phenotype (SASP) in vitro.
In vitro data indicate that exposure to Epithalon facilitates the decompression of heterochromatin regions, enabling transcription factors to access promoter regions of specific genes, including the telomerase reverse transcriptase (TERT) gene. Furthermore, research models focused on telomerase research guide observe that Epithalon application correlates with decreased DNA damage markers (such as gamma-H2AX foci) following oxidative stress challenges. These findings make high-purity Epithalon an essential reference standard for investigators evaluating chromatin remodeling and cellular longevity pathways.
Beyond its direct effects on telomerase expression, Epithalon plays a primary role in pineal gland physiology and neuroendocrine signaling research. Animal models demonstrate that Epithalon administration restores nocturnal melatonin synthesis in aging rodents, suggesting a regulatory feedback mechanism on the hypothalamic-pituitary-pineal axis. The compound appears to modulate the expression of arylalkylamine N-acetyltransferase (AANAT), the rate-limiting enzyme in melatonin biosynthesis.
Laboratory investigations into circadian rhythm synchronization rely on ultra-pure Epithalon to dissect how pineal bioregulators influence central oscillator gene networks (e.g., CLOCK, BMAL1, PER2). When designing complex multi-variable protocols in longevity peptide research, maintaining standardized peptide activity verified through a verified COA eliminates baseline drift in neuroendocrine gene expression metrics.
Evaluating a third-party Certificate of Analysis requires a detailed understanding of analytical instrumentation. Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) is the primary technique used to determine peptide purity. During RP-HPLC, the sample is passed through a C18 stationary phase column, separating the target sequence from synthesized impurities based on hydrophobic interactions. The resulting chromatogram displays a dominant peak corresponding to Epithalon, with an integrated peak area ratio confirming >= 99.0% purity.
Complementing HPLC, Electrospray Ionization Mass Spectrometry (ESI-MS) confirms the exact molecular mass of the target ion. The mass spec plot attached to each PX1 Epithalon 20mg batch displays the characteristic monoisotopic mass peak [M+H]+ at ~424.4 m/z, verifying that the synthesized peptide matches its theoretical sequence without unwanted side-chain modifications, acetylation errors, or truncated sequences. Researchers can access detailed technical guides on our peptide research hub to interpret chromatographic peak integrations.
For cell culture assays, organoid studies, and in vivo animal models, chemical purity alone is insufficient. Bacterial endotoxins—lipopolysaccharides (LPS) derived from the outer membrane of Gram-negative bacteria—can introduce severe confounding variables by activating Toll-like receptor 4 (TLR4) pathways, eliciting non-specific inflammatory responses in target tissue samples. Therefore, rigorous endotoxin testing is mandatory for reliable research results.
PX1 Research utilizes the Limulus Amebocyte Lysate (LAL) chromogenic assay to measure residual endotoxin levels in every manufactured lot. Every batch of Epithalon released for distribution maintains strict endotoxin thresholds (< 0.05 EU/mg), ensuring that cellular responses observed during experiments stem exclusively from Epithalon signaling rather than inflammatory contamination. Laboratories scaling up high-throughput screens can submit a wholesale peptide account inquiry to secure bulk quantities with lot-matched endotoxin documentation.
To contextualize Epithalon within the broader landscape of peptide research, investigators frequently compare its functional profile with other synthetic short peptides and bioregulator sequences. While Epithalon selectively targets pineal-derived cellular pathways and telomerase expression, related peptides exert complementary effects across different tissue systems.
Below is an analytical comparison of Epithalon against other prominent bioregulators frequently utilized in cellular and tissue research:
When designing multi-pathway investigation protocols, scientists often evaluate pinealon alongside Epithalon due to their shared tri- and tetrapeptide bioregulatory architectures. While Epithalon modulates pineal chromatin structure and telomerase transcription, Pinealon acts directly within neuronal cultures to attenuate oxidative stress and restore brain-derived neurotrophic factor (BDNF) expression. Similarly, investigators studying systemic cellular homeostasis often cross-reference thymalin for T-lymphocyte maturation assays, or integrate cytoprotective controls like bpc-157 to monitor focal adhesion kinase activation in tissue injury models.
Maintaining standardized, analytical-grade purity across all comparison groups is crucial. Inconsistent purity levels between experimental peptides can introduce severe batch variability, masking subtle gene expression changes. PX1 Research enforces uniform HPLC purity (>99%) and low-endotoxin thresholds across our entire catalog, giving researchers confidence when running side-by-side comparative trials.
Synthetic Epithalon is supplied as a lyophilized (freeze-dried) cake in sealed glass vials under inert gas flushing to prevent oxidative degradation. To preserve peptide integrity prior to experimental use, unopened vials should be stored in a freezer at -20°C or -80°C, protected from light exposure. Under these conditions, the lyophilized peptide remains stable for up to 24 months.
Reconstitution must be performed under aseptic laboratory conditions inside a laminar flow hood. For standard in vitro assays, reconstitute the 20mg cake using sterile Bacteriostatic Water or phosphate-buffered saline (PBS, pH 7.4). Gently swirl the vial until the solid is completely dissolved; avoid vortexing or vigorous mechanical agitation, which can induce physical shearing or denaturation of delicate peptide chains. Once reconstituted, aliquot the solution into single-use microcentrifuge tubes to eliminate freeze-thaw cycles and store at 4°C for short-term use (up to 30 days) or -20°C for extended storage.
PX1 Research operates as a dedicated USA supplier committed exclusively to serving academic institutions, biotechnology organizations, and independent research laboratories. All synthetic peptides are manufactured in cGMP-compliant US facilities utilizing state-of-the-art solid-phase synthesis platforms. Every step—from resin coupling to final lyophilization—is governed by stringent quality assurance protocols.
To prevent project delays, PX1 Research provides same-day shipping on all orders placed Monday through Friday before cut-off times, dispatching directly from strategic distribution hubs in California and Arizona. Every package contains lot-specific documentation linked directly to our public database, ensuring researchers receive verified compounds accompanied by complete third-party HPLC and MS analytical testing.
What is an epithalon coa and why is it required for laboratory research?
An epithalon coa (Certificate of Analysis) is a third-party analytical document verifying the purity, identity, molecular weight, and endotoxin levels of synthetic Epithalon. It ensures that the compound meets strict analytical thresholds (>= 99% purity) required for reproducible in vitro and in vivo scientific studies.
How do I verify the authenticity of an Epithalon Certificate of Analysis?
Authentic COAs from PX1 Research feature individual lot numbers matching the physical vial label, detailed RP-HPLC chromatograms with integrated peak area percentages, electrospray mass spectrometry mass spectrum plots, LAL endotoxin test results, and verification signatures from ISO 17025 accredited testing laboratories.
What purity level should be shown on an Epithalon HPLC report?
For reliable experimental research, Epithalon should exhibit a minimum peptide purity of 98.0% via RP-HPLC, with PX1 Research standardizing lot purity at >= 99.0%. High purity minimizes background noise and eliminates non-specific cellular reactions caused by incomplete peptide fragments.
How is the molecular weight of Epithalon verified on the mass spec?
Mass spectrometry verifies Epithalon by measuring its mass-to-charge ratio (m/z). Epithalon has a theoretical molecular weight of 423.4 g/mol. Electrospray ionization mass spectrometry displays a primary ion peak [M+H]+ at approximately 424.4 m/z, confirming structural identity.
What are the acceptable endotoxin limits for Epithalon in preclinical studies?
For cell culture and animal model studies, endotoxin levels should remain below 0.05 EU/mg. PX1 Research tests every batch using chromogenic LAL assays to guarantee low endotoxin levels, preventing unwanted immune system or TLR4 pathway activation in research models.
How should lyophilized Epithalon 20mg be stored upon receipt?
Lyophilized Epithalon 20mg vials should be stored at -20°C or -80°C in a dry, dark location. Under sub-zero storage conditions, the freeze-dried peptide remains stable for up to 24 months without undergoing hydrolysis or physical degradation.
What diluents are recommended for reconstituting Epithalon for lab assays?
Epithalon can be reconstituted using sterile Bacteriostatic Water or sterile phosphate-buffered saline (PBS, pH 7.4), depending on the requirements of the downstream assay. Reconstitution should occur in a laminar flow hood using sterile technique.
Can reconstituted Epithalon undergo multiple freeze-thaw cycles?
Repeated freeze-thaw cycles degrade peptide structural integrity. Reconstituted Epithalon should be divided into single-use aliquots before freezing at -20°C to maintain consistent potency across longitudinal experiments.
Where is PX1 Research Epithalon manufactured and shipped from?
PX1 Research Epithalon is manufactured in cGMP-compliant facilities in the United States. Orders ship same-day (Monday through Friday) from our logistics facilities located in California and Arizona.
How does Epithalon compare to Pinealon in research applications?
Epithalon (Ala-Glu-Asp-Gly) primary targets pineal gland function and telomerase expression, whereas Pinealon (Glu-Asp-Arg) is a tripeptide primarily studied for central nervous system neuroprotection and neurotrophic factor expression.
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.