Quality
Every lot follows the same protocol.
Each compound is tied to a specific lot, and each lot carries a batch-specific analytical record available for review before purchase. This page sets out the methods and standards behind that record and links to the documentation references that explain each step in depth. For research use only.
Synthesis
Compounds are synthesized to a defined specification and supplied as lyophilized powder. Each production run is assigned a unique lot identifier that follows the material through analysis and release — the thread that ties every downstream record back to the physical material.
Purity & identity analysis
Each lot is characterized by two complementary, orthogonal methods before release:
- Purity by reversed-phase high-performance liquid chromatography (RP-HPLC), reported as an area-percent value for the tested sample under a stated method.
- Identity by liquid chromatography–mass spectrometry (LC-MS), confirming the measured mass against the value calculated from the sequence.
All results are recorded against the lot identifier. The two methods answer different questions — how pure, and what is it — and are reviewed together.
Independent third-party confirmation
Representative lots are submitted to independent third-party laboratories — Kovera Labs and BTLabs — for confirmatory analysis, separate from in-house testing. The third-party report is retained with the lot so the two records can be reviewed together, and the lot-specific reference is recorded on the Certificate of Analysis.
Methods & standards
The analytical work is framed by recognized reference standards. Chromatographic and mass-spectrometric procedures follow the principles set out in pharmacopeial and international references, including:
- USP General Chapter <621> — Chromatography
- USP General Chapter <1225> — Validation of Compendial Procedures
- ISO/IEC 17025 — the general requirements for the competence of testing and calibration laboratories, the accreditation framework many independent laboratories operate under
These references define how a method is run and how a result is reported; a value is only interpretable alongside the method and conditions that produced it.
Release & record
A Certificate of Analysis, RP-HPLC purity report, and independent third-party report are associated with the released lot and made available through lot verification. Read together, these records let a laboratory confirm what was tested, by what methods, and with what results — before the material enters a workflow.
Go deeper: documentation references
The Prototides Research Library explains each part of this protocol in depth. Key references:
- Understanding Certificates of AnalysisWhat a COA records — and what it does not establish.
- How Identity and Purity Are Verified (RP-HPLC & LC-MS)The two complementary methods behind every lot.
- Independent Third-Party Analytical VerificationWhat 'independent' means and what it adds.
- Third-Party Lab Testing ExplainedThe laboratories behind our confirmatory testing.
- Research Peptide Purity Standards: What 99% MeansHow to read a purity figure without overstating it.
- Batch Traceability & Lot DocumentationHow a lot number ties records to material.
Scope
This page describes documentation and analytical practice only. Nothing here is a statement about the effect, activity, or suitability of any material. All products are supplied for laboratory research use only — not for human or veterinary consumption, diagnosis, treatment, or therapeutic use — and suitability for a given research workflow is determined by the investigating laboratory against its own requirements and SOPs.