OUR APPROACH

Research evaluation criteria

We compare listing information. We do not independently verify products, credentials, or research suitability.

Comparable quantities

Products are grouped by name and labeled quantity, with different vial sizes and pack counts kept separate.

Clear pricing

We show listed prices and available codes. Confirm currency, shipping, taxes, exclusions, and current availability with the supplier.

Evidence and limitations

Evaluate supplier documentation, test reports, methods, batch identifiers, and relevant legal requirements independently. A directory entry does not establish identity, purity, safety, or fitness for a project.

Corrections

Members can report inaccurate listings for review. Supplier order and price do not represent quality rankings.