Frequently asked questions
Quick answers for researchers using High Grade. For order-specific help, contact support.
Who can purchase from this catalog?
Products are sold for laboratory and in vitro research only. Purchasers must be qualified researchers or institutions operating under appropriate oversight. We do not sell for human or veterinary administration.
Why do I need to sign in to see pricing?
Authenticated access helps us maintain catalog integrity, provide batch-specific COA downloads, and support researchers with order history and documentation.
How do I access a certificate of analysis?
After signing in, COA documents are available from product pages and your order history for the specific batch shipped. Visit our Certificates page for an overview of our testing standards.
How are orders shipped?
Orders ship from US fulfillment with insulated packaging. Cold-chain protocols apply when required. See our Shipping policy for transit times and handling.
What is your return policy?
Due to the nature of research chemicals, returns are limited. Contact support with your order number if you receive damaged goods or a documentation mismatch.
Do you offer bulk or institutional pricing?
Contact our team with your institution name, compounds of interest, and estimated volumes. We respond within one business day.