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15205 Sigma

Blasticidine S hydrochloride

Synonym: Blasticidin S



Frequently Asked Questions

Frequently Asked Questions are available for this Product.


Do you have application information on this product that you would like to share?

Blasticidin S is used as a selection agent for transformed cells that contain the resistance genes bls, bsr, or BSD. Blasticidiin S has been used to select HEK293-T cells with TLR-2 constructs and HEK-D5 cells . It is also used to study protein synthesis at the level of peptide bond formation.


Bottomless glass bottle. Contents are inside inserted fused cone.

Biochem/physiol Actions

Blasticidin S inhibits hydrolysis of peptidyl-tRNA induced by release factors. It enhances the binding of tRNA to the large subunit of ribosomes and to an extent inhibits peptide bond formation.

General description

Blasticidin S belongs to the aminoacylnucleoside class of antibiotics. It inhibits protein synthesis in bacteria and eukaryotes. It also has fungicidal properties and prevents rice blast disease.

Other Notes

Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place. Storage class (TRGS 510): Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

Protocols & Applications

Antibiotic Selector for application, solubility, solution stability, working concentration, and mode of action information

Price and Availability

Safety & Documentation

Safety Information

GHS06  GHS06
Signal word 
Hazard statements 
Precautionary statements 
UN 2811 6.1 / PGII
WGK Germany 

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
What is Product 15205, Blasticidine S hydrochloride, soluble in?
Blasticidine S hydrochloride should be soluble in water at a concentration of 5 - 10 mg/mL. It is also soluble in acetic acid (concentration not reported).
How should aqueous solutions of Product 15205, Blasticidine S hydrochloride, be stored?
Aqueous solutions of Blasticidine S hydrochloride should be stored in aliquots at -20 deg. C.  Aqueous solutions at a pH < 7 are stable for 1 to 2 weeks at +4°C or for 6 to 8 weeks at -20°C.  Avoid alkaline pH, and do not subject solutions to freeze-thaw cycles.
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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