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Control Standard Endotoxin CSE: Essential for Bacterial Endotoxin Testing by Trusted Suppliers in China Factory

Control Standard Endotoxin (CSE) is an essential reference material used for validating and calibrating the Bacterial Endotoxin Test (BET), ensuring accuracy and reliability in testing. Sourced from purified Escherichia coli endotoxin (E. coli Strain O55:B5), CSE provides a well-defined endotoxin activity measured in Endotoxin Units (EU) or IU, aligning with global standards for consistency across various tests, Our CSE features high specificity, as it exclusively reacts with LAL reagents to initiate the coagulation cascade, mirroring the reaction of natural endotoxins found in samples. Additionally, its stability is maintained under proper storage conditions, either frozen or lyophilized, preventing degradation and ensuring accurate results, In the context of BET, CSE plays a vital role by enabling the creation of standard curves for quantitative methods, verifying LAL reagent sensitivity, and validating testing systems to check for any sample interference. Its uniformity and traceability to international benchmarks, such as the WHO International Standard Endotoxin, guarantees comparability of test results across laboratories, which is crucial for pharmaceutical quality control and adherence to regulatory requirements, As a leading supplier in China, our factory is dedicated to providing high-quality CSE that meets the stringent demands of your testing protocols. Enhance your lab's reliability with our premium Control Standard Endotoxin, designed for excellence in endotoxin testing and compliance

    Catalog Number

    Catalog No. Potency (EU/vial) Package
    CSE01 1 to 100 10 Vials/Pack
    CSE02 100 to 1000 10 Vials/Pack
    CSE03 1000 to 10000 10 Vials/Pack
    Product Note: Control Standard Endotoxin (CSE) is widely used for standard curve preparation, positive product controls, and validation in LAL (Limulus Amebocyte Lysate) assays. Choose the appropriate potency level based on your specific testing sensitivity and protocol requirements.
    Frequently Asked Questions

    Q: What is Control Standard Endotoxin (CSE)?

    Control Standard Endotoxin (CSE) is a purified preparation of endotoxin (typically Escherichia coli) used as a reference standard in LAL (Limulus Amebocyte Lysate) testing to calibrate lysate sensitivity and prepare standard curves.

    Q: How do I choose between CSE01, CSE02, and CSE03?

    The choice depends on the sensitivity of your LAL assay. CSE01 (1 to 100 EU/vial) is suitable for low-range assays, CSE02 (100 to 1000 EU/vial) is ideal for standard ranges, and CSE03 (1000 to 10000 EU/vial) is designed for high-concentration applications and dilutions.

    Q: What is the packaging size for these catalog numbers?

    All three catalog options (CSE01, CSE02, and CSE03) are supplied in a standardized package containing 10 vials per pack.

    Q: Why is the potency of CSE expressed as a range?

    The exact potency of CSE is lot-specific and is calibrated against the Reference Standard Endotoxin (RSE). The indicated range provides the typical potency expectation for each catalog number prior to lot certification.

    Q: How should the CSE vials be stored?

    Unreconstituted CSE vials should be stored at 2-8°C. Once reconstituted, storage conditions depend on the assay protocol, but they are typically kept refrigerated and should be thoroughly vortexed before use.