Guides
Reference material for reading certificates, storing reagents, and ordering.
How to Read a Certificate of Analysis
What each field on a peptide reagent Certificate of Analysis means, how to match it to your vial, and the signs of a fabricated one.
Updated September 24, 2026
Storing and Handling Lyophilized Peptides
Temperature, light, and moisture guidance for sealed lyophilized peptide vials, plus what to know about solvent choice and record-keeping after reconstitution.
Updated September 24, 2026
Ordering and Shipping from Canada
How Interac e-Transfer payment, confirmation, packing, and carrier tracking work for a DexaLabs order.
Updated September 24, 2026
Batch Traceability and Quality Control
What a batch or lot number is, how DexaLabs publishes a Certificate of Analysis for every one, and what to do if you can't find one for your vial.
Updated September 24, 2026