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E8029 Sigma

E-Toxate Endotoxin standard

for endotoxin quantitation

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Properties

contains   solubilizer
storage temp.   2-8°C

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Analysis Note

Standardized against USP reference standard endotoxin (RSE)

Other Notes

A preparation of E. coli 055:B5 lipopolysaccharide

Can be stored at 2-8 °C when stored separately from the E-Toxate kit.

Application

E-Toxate endotoxin standard was used along with the limulus amebocyte lysate assay kit to determine the concentration of endotoxins in isolated samples of human holotransferrin and apotransferrin used to treat primary hepatocyte cultures.

Legal Information

E-Toxate is a trademark of Sigma-Aldrich Co. LLC

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How is the E-Toxate™ Endotoxin standard, Product E8029, dissolved?
E8029 is reconstituted in endotoxin-free water to a concentration of 4000 EU/mL.  Reconstituted standard solutions can be stored at 2 - 8°C for at least 2 weeks.
How much water should I use to reconstitute my E-Toxate™ Endotoxin standard, Product E8029?
Each batch of endotoxin standard varies slightly in its activity so the amount of water to use may vary from lot to lot.  The certificate of analysis will give the amount of endotoxin units in the vial, so that the end user may calculate the appropriate amount of water to add to the vial in order to reconsitute to a final concentration of 4000 EU/mL.  The certificate of analysis for each lot may be retrieved from our website at:  http://www.sigmaaldrich.com/catalog/search/ProductDetail/SIGMA/E8029.  Enter the lot number in the box under the words "Certificate of Analysis".
What is the E-Toxate™ Endotoxin standard, Product E8029?
The endotoxin standard is purified from a crude extract of lipopolysaccharide from E. coli 055:B5 and standardized against the current USP reference standard.  It is reconstituted with an appropriate amount of water to yield a 4000 EU/mL solution.
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Protocols & Articles
Peer-Reviewed Papers
15

References

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