LAL reagents Endosafe® for gel-clot method from the manufacturer Charles River are available in a wide sensitivity range from 0.015 OE / ml to 0.25 OE / ml. LAL reagents are pre-buffered, resistant to interference and ensure the formation of a stable gel. Endosafe® reagents are certified according to regulatory standards for testing bacterial endotoxins by pharmacopoeial methods, including those licensed by the U.S. Food and Drug Administration.