Bacterial Endotoxin Testing Services

Our bacterial endotoxin testing services laboratory can support you with performing your critical tests to help streamline the process to final product release. By partnering with Charles River, you can be confident that our experienced specialists can help improve the compliance and efficiency of your endotoxin testing program and help you to achieve control, consistency and precision in your laboratory.

What if you could achieve more consistency and reliability in your BET results while remaining FDA compliant?

Endosafe cartridgeSimply answer these 5 questions to see which rapid technology can help you reduce analyst training and retest rates, and eliminate human error in data entry, collection, and interpretation. Answer the Questions

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Lab analyst performing Quality Control on Endosafe LAL reagent for endotoxin testing

Easily access Endosafe® and Celsis® reagent kit inserts, print user guides, consult operator manuals, review Safety Data Sheets (SDS), and download Certificates of Analysis (CoA) and Certificates of Quality (CoQ).
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    Routine endotoxin detection for non-release applications*

    The bacterial endotoxin testing services performed by Charles River uses customer-requested methods for submitted samples. Our optimized formulations provide increased sensitivity, greater linearity, and superior interference resistance. Endotoxin testing formulations are offered with a comprehensive range of buffers and accessories, providing numerous options for resolving interferences with difficult to test products.


    Product validation – one and three lots*

    Before performing product release testing, Charles River offers validation testing for up to three product lots.


    Product release testing**

    Charles River can be your partner during this crucial part of ensuring drug product quality and safety. Regulatory bodies such as the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA) require lot release tests for each biopharmaceutical batch. 


    Stability testing**

    Charles River can test your product for stability after exposure to a variety of environmental factors such as temperature, humidity and light.


    Depyrogenation validation

    Charles River offers depyrogenation validation testing from oven validation to stopper washing endotoxin reduction using specifically contaminated articles to verify a 3-log reduction in endotoxin content.


    On-site training

    Charles River can create and facilitate training courses on LAL to meet your specifications.


    SOP and protocol writing

    Charles River offers SOP and protocol writing assistance to help our customers create a procedure specific to your operation including the activities necessary to complete tasks in accordance with your standards and regulations.


    Service Code

    Routine endotoxin determination, non-regulated, any method*

    • Endosafe® cartridge technology
    • Gel-clot - Specific sensitivity requests can be met with ranges that include 0.015 to 0.25 EU/mL for gel-clot.
    • Kinetic chromogenic - Specific sensitivity requests can be met with ranges as low as 0.001 EU/mL for the kinetic chromogenic method.
    • Kinetic turbidimetric


    Service Code
    Product validation – 3 lots TS203
    Product validation – 1 lot TS201
    Product release testing** - Quality agreement available with this testing TBET1
    Stability testing** - Quality agreement available with this testing TBET1


    Additional Services

    Service Code
    Device extraction preparation or special sample preparation such as heat treatment*** TS700E
    Depyrogenation validation (≤ 10 vials) TS203
    Depyrogenation validation (> 10 vials) Inquire when >10 vials
    On-site training TS400
    SOP and protocol writing TS800


    Endosafe® LAL proficiency testing program: For schedule information, email [email protected], or contact us at +33 (0) 474 72 28 53.

    *Includes methods development and sample preparation.
    ** Product validation must be completed prior to finished product release or stability testing. 

    *** If Charles River prepares the extraction or treats the sample, there is an additional price per sample.
    Travel expenses additional.


    ISO 9001:2015: Quality Management Systems

    ISO 9001:2015 concerns all of the activities carried out at the Charles River Endotoxin Microbial Detection site in Ecully (Lyon), France, as defined by the sale of material, equipment and reagents, provision of services, and training related to carrying out tests in laboratories in the field of endotoxin detection and microbial identification.

    About ISO 9001:2015
    ISO 9001:2015 sets out the criteria for quality management systems. It can be used by any organization, large or small, regardless of the field of activity. In fact, ISO 9001:2015 is implemented by over one million companies and organizations in over 170 countries. The standards outlined in ISO 9001:2015 are based on a number of quality management principles, including a strong customer focus, the motivation and implication of top management, a process-oriented approach and continual improvement. Using these standards helps ensure that customers get consistent, quality products and services.

How can you ensure regulatory compliance?

lab worker checking vials for QAIn order to comply with federal and international regulatory requirements, you must work with a partner that does the same. Our corporate compliance program assures clients, management, and regulators that our work meets your expectations.

Learn More About ISO 17025 Accreditation

Frequently Asked Questions (FAQs) About Endotoxin Testing Services