Selecting a high-purity Epithalon peptide vial requires verified sequence identity and strict endotoxin control for reproducible cell culture and animal models. PX1 Research supplies analytical-grade Epithalon (10 mg vials) manufactured in USA facilities, validated by third-party RP-HPLC and mass spectrometry COAs for every lot, and shipped same-day Monday through Friday from California and Arizona fulfillment centers.
Selecting a high-purity Epithalon peptide vial requires verified sequence identity and strict endotoxin control for reproducible cell culture and animal models. PX1 Research supplies analytical-grade Epithalon (10 mg vials) manufactured in USA facilities, validated by third-party RP-HPLC and mass spectrometry COAs for every lot, and shipped same-day Monday through Friday from California and Arizona fulfillment centers.
Choosing the optimal Epithalon peptide vial configuration depends on assay scale, desired working concentration, and storage infrastructure. Epithalon (a synthetic tetrapeptide, Ala-Glu-Asp-Gly) is routinely studied in preclinical models evaluating telomerase expression, pineal gland function, and circadian gene regulation.
For most laboratory protocols, standard 10 mg lyophilized vials provide the ideal balance between molar concentration yield and storage stability. Because reconstituted peptides experience gradual hydrolysis over time, ordering smaller, fresh single-vial quantities or batching multi-vial protocols minimizes freeze-thaw degradation.
Every batch from PX1 Research undergoes rigorous third-party analytical testing. When you inspect an Epithalon peptide vial, verify that the lot includes raw high-performance liquid chromatography (RP-HPLC) chromatograms confirming ≥98% purity alongside tandem mass spectrometry (MS) sequence verification.
Epithalon (also known as Epitalon or L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-glycine) is a short synthetic peptide modeled after epithalamin, a natural peptide extract isolated from the pineal gland. Its low molecular weight (approx. 390.35 g/mol) allows rapid interaction with cellular targets in vitro.
Preclinical investigation into Epithalon primarily centers on its capacity to activate telomerase, the ribonucleoprotein complex responsible for maintaining chromosomal telomere length. In cell culture models, exposure to Epithalon has been observed to induce telomerase catalytic subunit (TERT) gene expression, mitigating telomere attrition during somatic cell passage.
Secondary research models examine Epithalon's influence on neuroendocrine signaling. In rodent studies, researchers observe restored pineal morphology and increased endogenous melatonin synthesis, rendering Epithalon a key compound in circadian rhythm and cellular longevity research. Detailed whitepapers on bioregulator mechanics are available in the PX1 research library.
When purchasing an Epithalon peptide vial for laboratory experimentation, selecting the correct vial mass (typically 10 mg per unit) is critical for experimental repeatability. Calculating your reconstituting volume prior to ordering prevents unnecessary degradation of stock solutions.
A standard 10 mg lyophilized vial reconstituted with 2.0 mL of sterile bacteriostatic water yields a stock concentration of 5.0 mg/mL (5000 µg/mL). For micro-dosing assays requiring sub-milligram concentration working stocks, researchers often perform serial dilutions into sterile phosphate-buffered saline (PBS, pH 7.4) immediately prior to cellular treatment.
Because peptides degrade faster in aqueous solutions than in vacuum-sealed cake forms, investigators conducting multi-week studies often select multiple 10 mg vials rather than attempting to keep large-volume liquid stocks stable. Check our complete research peptide catalog to coordinate compound volumes across long-term animal or cellular cohorts.
Achieving reproducible scientific outcomes requires sourcing peptides with rigorous quality control standards. Below is a detailed technical comparison of criteria researchers must evaluate when selecting a supplier for Epithalon or related bioregulators:
1. Analytical Verification: The supplier must provide lot-specific Reversed-Phase HPLC chromatograms showing single-peak resolution at ≥98% purity, accompanied by Electrospray Ionization Mass Spectrometry (ESI-MS) matching the theoretical molecular weight of 390.35 Da. 2. Endotoxin Control: Preclinical cell lines and in vivo models are sensitive to bacterial lipopolysaccharide (LPS) contamination. Qualified vials should demonstrate endotoxin levels under <0.01 EU/mg measured by Chromogenic LAL assay. 3. Manufacturing Origin: Synthesis occurring inside regulated US facilities minimizes exposure to residual heavy metals, TFA salt build-up, and unreacted amino acid intermediates. 4. Lot Traceability: Vials must display distinct lot numbers printed on both label and COA, allowing direct verification of analytical testing runs. 5. Logistics and Thermal Controls: Cold-chain management and rapid domestic transit prevent heat exposure during dispatch.
PX1 Research adheres strictly to these criteria, maintaining full transparency across every batch. Institutional procurement teams managing higher volume requirements can review bulk options through our wholesale research peptide pricing framework.
Lyophilized Epithalon arrives as a consolidated white cake protected under inert atmospheric gas. Proper handling technique ensures complete dissolution without damaging the peptide chain structural integrity.
To reconstitute an order of 10 mg Epithalon vials, allow the vial to reach room temperature (20°C–25°C) before introducing solvents to prevent atmospheric condensation inside the glass. Using a sterile syringe, slowly introduce bacteriostatic water (0.9% benzyl alcohol) down the interior glass wall of the vial. Never drop liquid directly onto the lyophilized cake.
Gently swirl the vial in a horizontal motion until full dissolution occurs. Never vortex high-purity peptide solutions, as intense mechanical shear stress can denature fragile peptide bonds. Reconstituted solutions should appear crystal clear with no visible particulate matter.
Epithalon belongs to a broader class of synthetic short peptides designed to modulate specific gene transcription pathways. Researchers studying cellular aging and metabolic regulation often compare or combine Epithalon with parallel research compounds:
• Thymalin: A synthetic thymic peptide bioregulator frequently paired with Epithalon in immunological longevity assays. Investigators compare how pineal and thymic bioregulators work in tandem. Learn more in our Thymalin research peptide guide. • MOTS-c: A mitochondrially derived peptide that regulates metabolic homeostasis and cellular stress responses through distinct nuclear translocation mechanisms. Review specs via our MOTS-c mitochondrial peptide resource. • Semax: A synthetic heptapeptide studied for neuroprotective and brain-derived neurotrophic factor (BDNF) modulation, complementing pineal-focused circadian research. See the Semax research peptide documentation.
Utilizing well-characterized compounds with verified identity profiles ensures that synergistic or comparative multi-peptide assays produce clear, publication-grade analytical data.
The market for laboratory peptides features significant variance in quality control. Identifying red flags during vendor evaluation protects your lab from compromised reagents and unrepeatable assay results.
Be cautious of vendors that display static, non-downloadable Certificates of Analysis, or COAs where critical data like lot numbers, testing dates, and mass spectrum axes are blurred or redacted. A genuine COA must feature distinct peak integration tables for HPLC and clear mass-to-charge (m/z) spectrum peaks corresponding to Epithalon.
Furthermore, avoid vendors who fail to state compound mass accurately, sell pre-dissolved liquid solutions (which undergo rapid hydrolytic cleavage at room temperature), or frame products for human consumption. Legitimate suppliers maintain strict research-only protocols and store dry lyophilized cakes at controlled sub-zero temperatures prior to fulfillment.
Lyophilized Epithalon is structurally stable at room temperature for short transit periods (up to 30 days), but long-term laboratory storage requires controlled temperatures. Upon arrival at your facility, dry vials should be placed in a manual defrost freezer at -20°C (stable for 24 months) or -80°C for multi-year preservation.
Once reconstituted with bacteriostatic water, stock solutions must be stored at 2°C to 8°C and used within 28 days. Benzyl alcohol acts as a preservative to inhibit microbial growth, but peptide hydrolysis still occurs gradually in aqueous environments.
If an assay requires sub-aliquots over several months, reconstitute the initial cake using sterile water for injection, aliquot the stock immediately into single-use microcentrifuge tubes, and freeze once at -20°C. Avoid repeated freeze-thaw cycles, which induce structural degradation.
PX1 Research provides academic institutions, biotechnology firms, and independent researchers with analytical-grade Epithalon packaged in standard 10 mg lyophilized vials. Every lot is processed under rigorous quality control standards in US facilities to guarantee maximum fidelity.
Orders placed before 3:00 PM EST Monday through Friday ship same-day from our strategically located fulfillment hubs in California and Arizona. Every package is dispatched in discreet, thermally protective packaging with full domestic tracking.
Access lot-specific COAs directly from our online portal by entering your vial lot code. For technical questions or bulk order scheduling, our US-based research support team responds promptly to all inquiries. Secure your laboratory inventory today when you order 10 mg vials of Epithalon directly from PX1 Research.
What is the standard purity level of an epithalon peptide vial from PX1 Research?
Every Epithalon peptide vial supplied by PX1 Research is verified by third-party Reversed-Phase HPLC to maintain high purity, typically ≥98.0%. Each lot is accompanied by a downloadable Certificate of Analysis featuring full chromatographic peak integration and mass spectrometry data.
How do I select the correct Epithalon peptide vial mass for my study?
For most cellular and animal models, standard 10 mg vials provide optimal assay yield while preventing compound waste. Because reconstituted peptides slowly hydrolyze in liquid solution, ordering 10 mg vials allows researchers to prepare fresh stock solutions per experimental phase rather than storing large reconstituted volumes.
Is Epithalon legal to purchase for laboratory research in the US?
Yes. Epithalon is legally available for purchase across the United States strictly for laboratory research, in vitro assays, and preclinical animal models. PX1 Research supplies peptides exclusively for scientific inquiry by qualified researchers; human clinical use is prohibited.
How fast does PX1 Research ship Epithalon peptide orders?
PX1 Research dispatches Epithalon orders same-day when placed before 3:00 PM EST, Monday through Friday. Shipments originate from state-of-the-art logistics facilities in California and Arizona, providing fast domestic transit times with tracking included.
Do you provide a lot-specific Certificate of Analysis with each Epithalon vial?
Yes. Every shipment of Epithalon includes direct access to lot-specific analytical documentation. Our COAs disclose raw RP-HPLC purity profiles, mass spectrometry sequence confirmation, and LAL endotoxin testing results for the specific batch you receive.
How should a lyophilized Epithalon peptide vial be stored upon arrival?
Upon receipt, dry lyophilized Epithalon vials should be stored in a freezer at -20°C for long-term stability up to 24 months. If stored at 2°C to 8°C, dry vials remain stable for up to 90 days. Keep vials protected from direct light exposure.
What diluent is recommended for reconstituting an Epithalon peptide vial?
For multi-dose or extended multi-day laboratory protocols, sterile bacteriostatic water (0.9% benzyl alcohol) is recommended to prevent microbial growth. For single-use immediate cellular assays, sterile 0.9% saline or PBS (pH 7.4) may be utilized.
What is the molecular difference between Epithalon and Thymalin?
Epithalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) modeled after pineal peptides, primarily studied for telomerase activation and melatonin regulation. Thymalin is a synthetic bioregulator peptide modeled after thymic extracts, primarily investigated for immune cell differentiation and T-lymphocyte function.
Does PX1 Research offer bulk quantity discounts on Epithalon vials?
Yes. Institutional laboratories and high-throughput research facilities requiring large-volume procurements can request custom pricing structures. Visit our bulk peptide procurement page or contact customer support for tiered institutional volume quotes.
What endotoxin standards apply to PX1 Research Epithalon vials?
PX1 Research enforces strict microbial and endotoxin standards across all peptide lines. Our Epithalon batches are tested via Chromogenic LAL assay to ensure endotoxin levels remain below <0.01 EU/mg, preventing cellular toxicity in sensitive models.
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.