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The Journal

Notes from Gatsby Peptides.

Essays on research peptides, analytical standards, and the quiet craft of laboratory practice.

Storage and Stability of Research Compounds

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All Articles

Storage and Stability of Research Compounds

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Understanding Batch Verification and Traceability

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How Research Laboratories Evaluate Analytical Purity

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Third-Party Testing Explained

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What Does Research Use Only Mean?

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HPLC vs Mass Spectrometry: Verifying Peptide Purity

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How to Choose a Research Peptide Supplier

A practical checklist for evaluating research peptide suppliers — third-party COAs, batch traceability, sourcing transparency, and red flags.
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Research Compound Purity Explained

What HPLC purity actually measures, what it does not, and how laboratories verify a 99% claim.
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Understanding Certificate of Analysis (COA) Verification

How to read a certificate of analysis, what to look for, and why third-party verification is non-negotiable.
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What Are Research Peptides?

An introduction to peptides used in laboratory research — what they are, how they are synthesized, and why analytical purity matters.
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