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Frequently Asked Questions
Common questions about the database, testing process, and scope of results.
About the Platform
What is PeptideVerify?
PeptideVerify is an independent analytical testing coordination and transparency service. We accept samples of research compounds, arrange independent laboratory analysis, and publish the results in a permanent public database. Our scope is strictly analytical -- we report what testing found, not what it means for any particular use.
Who operates PeptideVerify?
PeptideVerify is operated independently of any vendor, manufacturer, or distributor of research compounds. We have no commercial relationship with any entity whose products appear in the database. Testing is performed by contracted third-party laboratories.
What does a result in the database actually mean?
A published result describes what analytical testing found in a specific sample at the time of testing. It does not constitute a safety assessment, quality certification, endorsement, or indication of suitability for any purpose. Results reflect the tested sample only and may not be representative of other lots or purchases.
The Database
How current is the database?
Results are published on a rolling basis as testing is completed and moderation is finished. The publication date is shown on each record. There is no guaranteed publication timeline -- complex samples or inconclusive results may take longer to process.
Can I search for a specific vendor or compound?
Yes. The database supports filtering by compound, vendor, identity status, flags, and date range. You can also search by sample reference number or scan a barcode or QR code if you have a physical label.
Why might a vendor have both confirmed and not-confirmed results?
Results reflect specific lots and time periods. A vendor's current production may differ from earlier lots in the database. A vendor may also supply multiple compounds with varying analytical outcomes. The database records what was tested, not a global assessment of the vendor.
Can results be removed from the database?
Published results are permanent unless a material factual error is identified through the correction process. Results are not removed because they are unfavorable or because a vendor objects. Retracted records are marked as retracted and remain visible with an explanation.
What does the 'inconclusive' status mean?
An inconclusive identity result means testing was performed but could not definitively confirm or exclude the declared identity. This can occur when the sample matrix interferes with analysis, when reference standards are unavailable, or when the analytical data is consistent with multiple compounds.
Submissions
Who can submit a sample?
Anyone may submit a sample: vendors, researchers, customers, or other interested parties. Submitters must agree to the terms of submission and acknowledge the research-only scope of results. Anonymous submissions are supported.
What happens to my sample after submission?
Samples are reviewed for completeness, then transferred to an accredited contract laboratory for analysis. Chain-of-custody documentation is maintained from receipt through testing. Physical samples are retained by the laboratory for a period of 90 days after report issuance, then disposed of according to applicable regulations.
Can a vendor submit their own products?
Yes. Vendor-submitted samples are accepted and labeled as vendor-submitted in the published record. The testing process and reporting standards are identical regardless of who submitted the sample.
How long does testing take?
Standard turnaround for identity and purity testing is typically 10 to 20 business days from laboratory receipt of the sample. Specialized tests such as sterility, NMR, or complex impurity profiling may take longer. You can track your submission status in real time using your submission reference.
Technical and Compliance
What analytical methods are used?
Identity is confirmed by LC-MS and/or HPLC-UV with reference standards. Purity is quantified by HPLC-UV area normalization. Impurity profiling uses LC-MS with data-dependent acquisition. Sterility and endotoxin testing follow USP compendial methods. Full methodology details are available on the Methodology page.
Does a positive identity result mean the compound is safe to use?
No. Identity confirmation means the compound is analytically consistent with the declared identity. It does not indicate purity, potency, sterility, or suitability for any use, including research use. No result published on this platform constitutes a safety determination.
Can I use these results in a publication?
Published results are publicly accessible data and may be cited as such. For regulatory submissions, raw laboratory data from the contracted CRO may be required. Contact us if you need certified copies of laboratory reports.
Still have questions?
If your question is not covered here, reach out through the contact form.
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