B150 Sigma


≥99%, lyophilized powder



Related Categories Antagonists, Biochemicals and Reagents, Cell Biology, Cell Signaling and Neuroscience, Endothelin - Receptor Antagonists,
assay   ≥99%
form   lyophilized powder
storage temp.   −20°C
Gene Information   human ... EDNRA(1909), EDNRB(1910)
rat ... Ednra(24326), Ednrb(50672)


Amino Acid Sequence


Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Biochem/physiol Actions

Selective ETA endothelin receptor antagonist.

Price and Availability

Amplified Detection

Making Headway

All labs need water
Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


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:
How should Product B150, BQ-123, be dissolved?
This product is soluble in water (0.25mg/ml), yielding a clear colorless solution.
Is Product B150 the free acid form of BQ-123, or is it a salt?
Product No. B150 is BQ123 sodium salt.
Do you offer any other ETA endothelin receptor antagonist?
A list of our ETA endothelin receptor antagonists can be found at the following link:
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.
What is the solution stability for Product B150, BQ-123?
We do not perform any solution stability studies on Product B150, BQ-123.  The following reference indicates that the product is stable in solution for 24 hours but no temperature was mentioned.  Cardillo, C. et al., Hypertension, 33, 753-758 (1999).  The following abstract indicates that BQ-123 was used in an osmotic pump for a 2 week treatment.  Bonvollet, S. et al., A.J.P. - Heart, 266 (4), H1327-H1331 (1994).
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Protocols & Articles
Peer-Reviewed Papers


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92210 Timestrip Plus 0 °C
06693 Timestrip Plus -20 °C

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