Representative packaging image · verify the ordered lot
Decision summary
Key benefits
Evidence-supported research topics are oxidative-stress and cell-viability assays, neuronal morphology, neuroprotection hypotheses and peptide-nucleic-acid interaction
Rat, 5xFAD mouse and induced-neuron results are preclinical and cannot establish treatment of traumatic brain injury, Alzheimer's disease, cognitive decline, sleep disturbance or aging in humans
A 2020 review summarizes historical oral observations in 72 patients, but the underlying original reports are not sufficiently accessible here for independent appraisal and do not justify a clinical efficacy claim.
Published research context is presented for literature orientation only. It is not a dosing, treatment or human-use instruction.
Qualification data
Specifications to confirm against the released lot
CAS
175175-23-2
Formula
C15H26N6O8
Molecular weight
418.4 g/mol
Appearance
White to off-white lyophilized powder
Purity
≥ 99.0% · target, verify batch COA
Storage
Store the unopened lyophilized material according to the batch COA and lot-specific stability statement, protected from moisture and light. Reconstituted stability depends on counterion, buffer, concentration, container, temperature and microbial controls; do not assign a universal dating period without validated data. Minimize unvalidated freeze-thaw cycles and document temperature excursions.
Identity, purity and content are separate release questions.
Identity
Confirm the stated molecule and supplied form. Start with the matching batch COA; request sequence-level evidence only when the buyer's written procedure requires it and availability or a separate scope has been agreed.
Purity
Review RP-HPLC method conditions, wavelength, integration and related-peak handling. A percentage without the method is not enough.
Content
Net peptide content is not the same as gross lyophilized powder weight. Ask which assay supports the stated amount and whether water/counter-ion is addressed.
Stability
Follow the storage condition stated on the batch COA or label from receipt onward.
Research context
What researchers study about Pinealon
Pinealon is the defined tripeptide Glu-Asp-Arg (EDR) investigated in a body of short-peptide bioregulator research associated primarily with the St. Petersburg Khavinson group. Peer-reviewed studies report antioxidant and cell-survival observations in vitro, effects in rat and transgenic mouse models, nuclear localization or nucleic-acid interaction experiments, and induced-neuron morphology findings. These studies support research hypotheses, not established therapeutic efficacy. The literature is concentrated within a connected research lineage, independent replication is limited, and no qualifying completed randomized controlled human trial was identified in this review. Cortexin is a heterogeneous animal-tissue polypeptide preparation; Pinealon is a single defined synthetic sequence and must not be represented as the same product.
Appropriate research contexts include oxidative-stress and cell-viability assays, neuronal morphology and dendritogenesis models, peptide-nucleic-acid interaction studies, and exploratory neurodegeneration models
Published rat, mouse and induced-neuron observations are not clinical indications
Historical human observations cited by reviews are low-certainty context and do not establish efficacy for traumatic brain injury, cognitive impairment, Alzheimer's disease, sleep or anti-aging use.
Mechanism context
The question the literature is testing
Proposed mechanisms include reduced reactive-oxygen-species accumulation, altered ERK1/2 timing, changes in apoptosis-related and antioxidant markers, dendritic-spine preservation in model systems, and sequence-dependent interaction with nucleic-acid structures. Some papers propose effects on gene-expression regulation, but direct binding observations and model-specific biomarker changes do not by themselves prove a clinically relevant epigenetic mechanism in humans. Formal human pharmacokinetic, target-engagement and dose-response evidence remains unavailable.
Evidence map
Research routes and exposure context
Evidence tierMixed evidence contextResearch areaNeurocognitive researchRoutes reported in sources
OralIn vitro
Dose / exposure contextProtocol-specific; verify the cited primary source
Routes and exposure contexts summarize cited studies or approved finished-product labels. They are not instructions for administering this RUO material; no customer dose is provided.
Evidence boundaries
Compatibility, limitations and decision context
A complete human safety, immunogenicity, reproductive-toxicity, genotoxicity and long-term exposure profile has not been established
Preclinical publications and limited historical reports cannot support a general safety conclusion
This commercial material is for research use only and is not for human or veterinary administration, diagnosis or treatment
Laboratory handling requires the SDS, institutional risk assessment and appropriate containment.
Interactions reported in the literature
No validated human interaction, combination or stacking evidence was identified
Mentions of Epitalon, Cortexin, Semax, Selank, melatonin, BPC-157, NAD+ or other peptides in community protocols do not establish pharmacologic synergy, compatibility or safety
In laboratory mixtures, assess solubility, adsorption, oxidation, counterion, pH and analytical interference for each design rather than assuming compatibility.
Literature context is not a supplier release result or human-use instruction. Follow your institution's approved laboratory risk assessment.
Batch documentation
Pinealon batch COAs
Laboratory: Manufacturer's QC laboratoryTests: HPLC purity · MS identity · endotoxin · fill amount
5 mg
10 mg
Previews are blurred on purpose so the documents cannot be reused; third-party reports show their first page only. Sales sends the clear full version for the product and strength you ask about.
Published COAs show recent representative batches and may not be the newest. For a quote or shipment, sales confirms the lot and sends its COA.
Third-party reports, added progressively
Previews of the first page of third-party reports are on our Quality page and on the matching product pages; sales sends the full report on request. You can also send any vial from your order to an independent laboratory of your choice. Unless agreed otherwise in writing, the buyer pays for optional testing.
Help reviewing your COA
Need help reading a batch COA or third-party report? Sales can explain the test items, specifications and how the results relate to the lot under discussion.
On every batch COA: HPLC purity · MS identity · endotoxin · fill amount · Verify LyoPep
Third-party reports for Pinealon
Reports from Qorix (tjqxgd.com), a third-party analytical laboratory in Tianjin, China: HPLC purity and MS identity of the sample tested.
Laboratory: Third-party laboratoryTests: HPLC purity · MS identity
10 mg
Previews are blurred on purpose so the documents cannot be reused; third-party reports show their first page only. Sales sends the clear full version for the product and strength you ask about.
Ask for the current packet, not a generic certificate
Appearance is only a preliminary check and cannot establish identity, purity, peptide content, counterion or sterility
Procurement should require the full sequence and terminal state, counterion identity and quantity, high-resolution intact mass, sequence-confirming MS/MS or peptide mapping, chromatographic purity with raw data and impurity profile, quantitative peptide content, water, residual solvents and lot-specific stability
If sterility, endotoxin or bioburden is claimed, require separate validated results
A clear solution after reconstitution does not prove batch conformity.
Batch COA for the released lotHPLC purity with method contextMS identity resultEndotoxin resultFill amount (measured content per vial)SDS and handling statement
Available fills
Quote the fill and pack configuration you need
Reference SKUFillBase pack
PIN55 mg10 vials
PIN1010 mg10 vials
PIN2020 mg10 vials
Handling
Plan storage before the parcel arrives
Store the unopened lyophilized material according to the batch COA and lot-specific stability statement, protected from moisture and light. Reconstituted stability depends on counterion, buffer, concentration, container, temperature and microbial controls; do not assign a universal dating period without validated data. Minimize unvalidated freeze-thaw cycles and document temperature excursions.
State the destination and timing so receipt can be planned, then move the material into its stated storage condition on arrival.
Buyer FAQ
Terms to settle before the purchase order
Can a buyer arrange third-party testing?+
Yes. You can send any vial from your order to an independent laboratory of your choice. If you want the laboratory, specification, sampling, method and acceptance rule agreed with us before testing, sales confirms them in writing. Unless otherwise agreed in writing, the buyer pays the cost of this optional testing.
What if my own lab test shows the product is out of specification?+
Send any vial from your order to an independent laboratory of your choice. If the report shows the product does not meet the specification on its COA — purity below the stated minimum, or an identity that does not match — share the report with our sales team and we refund that product in full.
Does HPLC purity prove peptide content?+
No. Chromatographic purity describes the relative peak profile under a stated method. Identity, water, counter-ion, residual solvents and assay/content may require separate methods.
How should material be stored after delivery?+
Move it into the storage condition stated on the batch COA or label as soon as it arrives, and record the package condition on receipt.
How are payment terms handled?+
Available methods and milestones depend on order value, destination and project type. The pro forma invoice should state currency, bank details, fees, payment milestones and the release condition.
Why must the testing laboratory understand peptide chemistry?+
Free-base and salt forms, hydrophilic and hydrophobic sequences, aggregation and adsorption can change sample preparation and method suitability. Use a laboratory experienced with the molecule class.
These are buyer-qualification references, not claims that this RUO material is regulated, certified or released under those frameworks. Applicability depends on the buyer's workflow and jurisdiction.
Selected sources
Literature behind the research context
The evidence set comprises the 2011 cell-viability paper, the 2012 prenatal-hyperhomocysteinemia rat study, the 2011 HeLa-cell/nucleic-acid interaction paper, the 2020 EDR review, the 2021 5xFAD mouse study and its 2025 correction, the 2022 neuroepigenetics review, the 2024 induced-neuron study and a 2013 Russian-language review with an English abstract. These sources are useful for research context but are largely connected to the same research lineage. No source reviewed validates the commonly marketed 5 mg subcutaneous protocol or a completed randomized controlled human efficacy trial.
01
Pinealon increases cell viability by suppression of free radical levels and activating proliferative processes
Rejuvenation Research · 2011 · peer-reviewed original research (in vitro)
Penetration of short fluorescence-labeled peptides into the nucleus in HeLa cells and in vitro specific interaction of the peptides with deoxyribooligonucleotides and DNA
Biochemistry (Moscow) · 2011 · peer-reviewed original research (in vitro, mechanistic)
How should Pinealon be understood within the Khavinson peptide literature?+
Pinealon is the short sequence Glu-Asp-Arg (EDR) studied within the Khavinson peptide-bioregulator literature. Publications relate it to the research lineage of Cortexin, a heterogeneous cortex-derived polypeptide preparation, but Pinealon is a defined synthetic tripeptide rather than Cortexin itself. Proposed DNA-, gene-expression- and neuroprotection mechanisms remain research hypotheses supported mainly by one connected research network; they are not proof of an endogenous human regulatory role or an approved clinical effect.
How can a laboratory distinguish EDR Pinealon from other short Khavinson peptides?+
Specify H-Glu-Asp-Arg-OH, terminal state and counter-ion rather than ordering only by the trade name. Intact mass can exclude many wrong sequences, but it may not resolve every isomeric or near-isobaric short peptide. Use retention against a qualified reference plus LC-MS/MS or another sequence-informative method, and report peptide content separately from HPLC area purity, water and counter-ion.