Guides and reference
Research peptide guides.
Find guides for buying research peptides and working in the laboratory, plus nine pages on solution preparation: stock solutions, calculations, mixture planning, solvents, charge and pH, troubleshooting, storage, lyophilization and synthesis.
For laboratory research use only. Not for human or veterinary use.
Before you order
Plain-language guides for choosing a supplier, comparing prices and reading the documents before you buy.
- How to choose a peptide supplier in Canada: nine checks before you buy.What to compare between Canadian suppliers.
- Understanding research peptide prices.Per vial, per milligram and kit pricing, worked through.
- Are research peptides legal in Canada?The Canadian regulatory context for research peptides.
- How to read a peptide certificate of analysis.Identity, purity and net content, field by field.
- Wholesale kits. Prices on the page.Research kits and volume tiers for larger orders.
For the laboratory
Reference guides for researchers, technicians and instructors working with peptide material in the laboratory.
- Net peptide content, purity and counterions.Why a peptide powder is rarely 100% peptide, and what that means per milligram.
- Peptide stability and degradation in the laboratory.Degradation pathways, storage and how to plan a stability study.
- Getting a peptide vial analyzed in Canada.Which tests to order, choosing a Canadian laboratory and sending the sample.
- Peptide HPLC exercises for teaching laboratories.Six peptide chromatography exercises for supervised courses.
Solution preparation
Laboratory calculations for preparing stock and working solutions.
- Reconstituting lyophilized peptides: preparing a laboratory stock solution.A laboratory method for dissolving lyophilized peptide into a stock solution.
- Peptide reconstitution and dilution calculator.Concentration, dilution and aliquot arithmetic for laboratory solutions.
- Planning a multi-component peptide solutionPlan a mixed laboratory standard from separate stocks.
- Choosing a reconstitution solvent for peptides.Water, charge, acids, bases and organic co-solvents for laboratory stocks.
- Peptide net charge, isoelectric point and pH.Count charge and measure or adjust pH in small laboratory volumes.
- Troubleshooting reconstituted peptide solutions: cloudiness, gels and foam.Investigate cloudiness, gels, foam and precipitation in peptide stocks.
- Storing reconstituted peptide solutions: aliquots, freezing, containers and filters.Aliquots, freezing, containers, adsorption and membrane filters.
- Lyophilized peptides: freeze-drying and the dry powder.Freeze-drying, powder appearance, moisture and weighing.
- How synthetic peptides are made.From solid-phase synthesis through purification and counterions.
Reference
The registry facts and definitions behind every product page and lot record.
- Compound libraryCAS numbers, formulas and masses for every listing.
- GlossaryRegistry and laboratory terms, defined.
- Product lot searchFind the published record for the lot on your vial.
- What is in the vial? Measured peptide content against the labelLaboratory-reported content against the label for every published lot, with a downloadable CSV.