Our global Endosafe® technical support laboratories operate in a shared network of expertise and experience dedicated to solving your endotoxin detection problems and increasing your laboratory efficiency. Wherever you need us, we can be a flexible, efficient and cost-effective extension of your internal quality control laboratory.

Charles River Endosafe® products are also available internationally through a collection of distributors. For a list of worldwide locations, view our Partners page. To place an order from outside the United States, please contact us at [email protected].


    Charles River offers a calibration re-certification service to make sure your Endosafe®-PTS™ reader is performing as expected. Please contact us at [email protected].

    For further assistance on in-house troubleshooting, methods development, regulatory guidance or other technical questions, please contact our expert technical support team at [email protected] or 1.800.762.7016.


    In addition to order processing and price quotations within the Unites States, our Customer Service department can help you with product information and shipping details. Contact our Customer Service department at [email protected] or 1.800.762.7016.