Epithalon 15mg — Vial Spec, Reconstitution Math & COA

Overview of Epithalon 15mg Lyophilized Vial Specification

A 15mg vial of Epithalon contains 15 milligrams of high-purity, lyophilized synthetic tetrapeptide (sequence: L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-glycine). In solid-phase peptide synthesis (SPPS), this short-chain peptide is produced with precise amino acid stoichiometry, resulting in a white to off-white cake that exhibits rapid solubility in aqueous buffers. The 15mg vial format is primarily requested by high-throughput laboratories and academic research groups conducting multi-subject rodent trials or extended cellular incubation series where consistent lot-to-lot dosing efficiency is critical.

Because Epithalon operates as an epigenetic regulator at microgram-level cellular thresholds in vitro, a 15mg mass allocation provides substantial volume for longitudinal preclinical assays without requiring frequent re-solubilization of separate smaller units. Researchers utilize this standard high-yield packaging to minimize inter-assay variance caused by volumetric weighing differences or freeze-thaw degradation across multiple experimental runs.

Catalog Availability & Package Formats at PX1 Research

At PX1 Research, laboratory supply integrity requires transparent stock reporting. While custom mass fills—such as 15mg aliquots—are periodically produced for institutional bulk contracts, standard single-unit inventory for individual lab order placement is listed under our primary catalog entries. Researchers seeking standard packaging can explore our Epithalon reference page for current off-the-shelf single vial and multi-vial configurations.

To review our comprehensive selection of high-purity synthetic peptides, structural analogs, and biochemical tools, consult our complete catalog at /all-peptides. Whether utilizing standard stock quantities or scaling up for institutional research via our wholesale portal, PX1 Research maintains uniform analytical quality across every batch.

Preclinical Mechanism: Telomerase Activation and Pineal Regulation

Epithalon was originally synthesized to mimic the bioactive properties of epithalamin, a crude polypeptide extract isolated from the bovine pineal gland. Preclinical investigations demonstrate that Epithalon functions primarily as a peptide bioregulator, interacting directly with chromatin structures to alter gene expression profiles associated with cellular aging and neuroendocrine regulation.

In vitro data indicate that Epithalon induces expression of the enzyme telomerase reverse transcriptase (TERT), leading to increased telomerase activity in human somatic cells and rodent tissue cultures. By facilitating telomere elongation and structural maintenance, the peptide prevents premature replicative senescence in cultured cell lines. Furthermore, animal studies reveal that Epithalon restores pineal gland functionality, normalizing nocturnal melatonin secretion patterns and resetting altered circadian gene networks in aging rodent models. Preclinical studies suggest that these dual mechanisms—telomere maintenance and neuroendocrine modulation—contribute significantly to observed extensions in lifespan and reductions in spontaneous tumor incidence in murine cohorts.

Reconstitution Calculations for 15mg Epithalon Vials

Accurate reconstitution requires matching the 15mg mass with precise diluent volumes to achieve target concentrations for automated pipetting or micro-injection systems. Researchers frequently rely on our online reconstitution calculator to double-check volumetric equations prior to lab bench execution.

When reconstituting a 15mg lyophilized vial using standard laboratory diluents such as Bacteriostatic Water (0.9% Benzyl Alcohol) or Sterile 0.9% Sodium Chloride, the following mathematical relationships apply: • 1.0 mL Diluent Volume: Total Mass = 15,000 mcg Final Volume ≈ 1.0 mL Concentration = 15.0 mg/mL (15.0 mcg/µL) A 10 µL transfer yields exactly 150 mcg of active peptide. • 2.0 mL Diluent Volume: Total Mass = 15,000 mcg Final Volume ≈ 2.0 mL Concentration = 7.5 mg/mL (7.5 mcg/µL) A 20 µL transfer yields exactly 150 mcg of active peptide. • 3.0 mL Diluent Volume: Total Mass = 15,000 mcg Final Volume ≈ 3.0 mL Concentration = 5.0 mg/mL (5.0 mcg/µL) A 30 µL transfer yields exactly 150 mcg of active peptide.

Researchers should account for displacement volume created by the dissolved peptide mass when working with high-concentration formulations. In a 1.0 mL volume, the total liquid level may marginally exceed 1.0 mL depending on the specific cake density, slightly altering working concentrations if strict volumetric calibration is not performed.

Aliquoting, Storage, and Solution Handling Protocols

Following reconstitution of a 15mg Epithalon vial, immediate aliquoting into single-use, low-binding polypropylene micro-centrifuge tubes is strongly recommended. Repeated freeze-thaw cycles subject the short-chain peptide bond structure to shear stresses and ice crystal formation, accelerating peptide degradation and leading to potential loss of potency over extended trial periods.

Unreconstituted (lyophilized) Epithalon vials should be stored in a desiccated environment at -20°C for long-term stability (up to 24 months) or -80°C for archival preservation. Once dissolved in sterile bacteriostatic water, liquid aliquots remain stable at 2°C to 8°C for up to 28 days. Liquid samples stored at -20°C should be kept in manual defrost freezers to prevent cyclic heating phase exposure. Protect all reconstitutions from prolonged light exposure to prevent potential photo-oxidation of peptide residues.

Comparative Analysis: Longevity and Bioregulator Research Peptides

In longevity and cellular senescence research, Epithalon occupies a unique regulatory niche alongside other specialized small molecules and peptide complexes. Understanding how Epithalon compares to related compounds helps investigators design targeted cell-culture and animal research protocols.

While Epithalon targets chromatic reactivation of telomerase and pineal melatonin synthesis, senolytic research peptides such as FOXO4-DRI operate via selective induction of apoptosis in senescent cells by disrupting FOXO4-p53 nuclear binding. Concurrently, mitochondrial-derived peptides like MOTS-c target metabolic homeostasis and AMP-activated protein kinase (AMPK) signaling pathways rather than nuclear telomeric structures. For tissue remodeling and extracellular matrix repair, researchers frequently evaluate GHK-Cu, which modulates gene transcription for collagen synthesis and antioxidant enzymes. Combining these distinct mechanisms allows laboratory groups to explore synergistic pathways in cellular maintenance models.

Quality Assurance: HPLC, Mass Spectrometry, and COA Verification

PX1 Research enforces rigid analytical quality standards to ensure that every lot of Epithalon meets strict purity and concentration parameters. Every production batch undergoes dual verification using High-Performance Liquid Chromatography (HPLC) to confirm chemical purity and Mass Spectrometry (MS) to verify exact molecular weight (457.43 g/mol).

Laboratory directors can review lot-specific analytical reports directly on our public /coa verification portal. Our quality metrics mandate: • Chemical Purity: ≥ 99.0% as measured by HPLC peak area integration. • Mass Verification: ESI-MS identity match matching theoretical mass specs. • Endotoxin Limits: Below industry-standard thresholds (< 0.05 EU/mg) verified via Limulus Amebocyte Lysate (LAL) testing. • Residual Solvents: Compliant with USP <467> standards for solid-phase synthesis reagents.

These documentation procedures guarantee that baseline experimental variables remain fully controlled across independent study replicates.

Determining Vial Size Selection: 15mg vs. Standard Formats

Selecting the optimal vial size—such as a 15mg high-yield format versus standard 10mg or 5mg configurations—depends primarily on assay scale, subject cohort size, and workflow economics. A 15mg vial offers distinct advantages for high-throughput in vitro screening or large-scale murine studies where dozens of subjects require concurrent administration over defined treatment blocks.

Conversely, for smaller pilot exploratory trials or specialized bio-assays requiring minimal total compound, standard 10mg vials minimize potential waste associated with storage expiration of reconstituted liquid. Researchers evaluating workflow parameters can cross-reference our research library hub to examine historical protocol dosing volumes before committing to specific vial fill sizes.