Glossary
Batch number
An identifier linking a vial to one manufacturing run and its analytical records, so a Certificate of Analysis can be matched to the material in hand.
Further reading
- How to choose a research peptide supplier: a UK buyer's checklist
Ten checks to run before ordering research peptides: batch-matched CoAs, independent testing, transparent pricing, clear labelling and honest claims.
- Batch verification and traceability: proving a CoA belongs to your vial
How batch numbers, lab references and online lookups connect a Certificate of Analysis to the vial in your hands, and what to do when they do not match.
- Research peptide red flags: warning signs on supplier sites and CoAs
The patterns that separate documented suppliers from risky ones: missing batch data, perfect-looking numbers, human-use claims and pressure tactics.
- How to read a peptide Certificate of Analysis
What each line of a peptide CoA means, which checks matter most, and the red flags that suggest a document is decoration rather than evidence.
- Lyophilised vials vs pre-filled pens: comparing research peptide formats
How freeze-dried vials and pre-filled solution pens differ for laboratory research: stability, concentration labelling, price per mg and what to check on a CoA.