Learning Center15
Research context, analytical methods,
and laboratory handling.
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Protocols
Quality
Lab Testing & Verified Purity
How independent third-party analytical laboratories verify HPLC purity and LC-MS molecular identity for research peptides — testing methodology, result interpretation, and analytical documentation standards.
Read Article Quality · 6 min readUnderstanding Certificates of Analysis
How to read a COA, what HPLC and mass spectrometry results mean, and how to verify identity, purity, and net peptide content for your batch.
Read Article Quality · 7 min readHow to Verify a Research Peptide Certificate of Analysis (COA)
Learn to read and verify a research peptide Certificate of Analysis. Covers HPLC purity, LC-MS identity confirmation, in-house vs. third-party COAs, red flags, and batch-level documentation.
Read Article Quality · 7 min readHow to Read HPLC Purity Data on a Peptide Certificate of Analysis
A practical guide to interpreting HPLC (high-performance liquid chromatography) chromatograms and purity percentages on research peptide Certificates of Analysis — including what the retention time, peak area, and impurity peaks mean.
Read Article Quality · 6 min readTFA Content in Research Peptides: Salt Form, HPLC Purity, and How to Read It on a COA
A technical guide to trifluoroacetate (TFA) content in synthetic peptides — why TFA is introduced during HPLC analysis and solid-phase synthesis, how it appears on a COA, and what it means for HPLC purity percentages and research use.
Read Article Quality · 7 min readLC-MS Identity Confirmation: How Mass Spectrometry Verifies Research Peptide Structure
A technical guide to LC-MS (liquid chromatography–mass spectrometry) identity verification for research peptides — how the instrument measures molecular weight, how to read m/z values and charge states on a Certificate of Analysis, and how LC-MS differs from HPLC purity testing.
Read Article Quality · 7 min readHPLC vs LC-MS in Peptide Research: Purity Analysis, Identity Confirmation, and COA Interpretation
What HPLC and LC-MS measure, how each result appears on a research peptide COA, and why both analytical methods are used together in batch documentation.
Read Article Quality · 6 min readWhat Research Use Only Means for Peptide Documentation, Handling, and Laboratory Context
A clear explanation of what Research Use Only (RUO) means for synthetic peptides — covering documentation standards, analytical testing, storage and handling protocols, and what RUO does not imply about product use.
Read Article Quality · 7 min readPeptide Certificate of Analysis Checklist: How to Review COA Documentation in Research Context
A structured checklist for reviewing research peptide COA documentation — covering product name, lot number, test date, HPLC purity, LC-MS identity, appearance, and what a COA can and cannot confirm in a laboratory research context.
Read ArticleHandling
Storage & Handling Best Practices
Proper storage temperatures, handling protocols, and environmental controls that maintain peptide integrity and stability across research workflows.
Read Article Handling · 6 min readPeptide Stability and Degradation in Research Context: Storage, Lyophilization, and Documentation
A laboratory research guide to peptide chemical stability — covering lyophilized storage, temperature and moisture exposure, degradation signals, and how COA documentation relates to stability in an RUO research context.
Read ArticleBasics
What Are Research Peptides?
An introduction to peptides, how they differ from proteins, how they are synthesized using SPPS, and how research-grade material is analytically documented.
Read Article Basics · 4 min readLyophilization Explained: Why Research Peptides Are Supplied as Freeze-Dried Powder
A clear explanation of lyophilization (freeze-drying) — the industrial process used to preserve research peptides, why it extends shelf life, what the resulting powder form means for storage, and how to handle lyophilized materials correctly.
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