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329967 Aldrich

(+)-Usnic acid

98%

Synonym: (+)-Usnic acid from Usnea dasypoga, 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione

  • CAS Number 7562-61-0

  • Empirical Formula (Hill Notation) C18H16O7

  • Molecular Weight 344.32

  •  Beilstein Registry Number 96698

  •  EC Number 231-456-0

  •  MDL number MFCD00191041

  •  PubChem Substance ID 24859825

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Properties

Related Categories Asymmetric Synthesis, Benzofurans, Cell Biology, Chemical Synthesis, Chiral Building Blocks,
InChI Key   ICTZCAHDGHPRQR-GOSISDBHSA-N
assay   98%
optical activity   [α]25/D +488°, c = 0.7% in chloroform
mp   201-203 °C(lit.)

Description

Packaging

5, 25 g in glass bottle

Application

(+)-Usnic acid has been used to study the following:
• The mechanism of its antimicrobial activity in bacterial cells.
• Its ability as an antibiofilm agent against Group A Streptococci (GAS).
• Its ability as a potent anti-virulent compound against Candida albicans.
• The mechanism of its toxic effect on hepatocytes.
• Its ability to inhibit the motility of human lung cancer cells.

General description

(+)-Usnic acid is a bioactive compound mainly found as a secondary metabolite in lichens.

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
RTECS 
HP5295050

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.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
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 orview 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.
Do you offer any interpretation of the IR spectrum of Product329967, (+)-Usnic acid?
Although we do not perform any detailed analysis of IR spectrum as part of our routine QC testing for this product, we can say that the broad stretch around 3000 cm-1is due to hydrogen-bonded hydroxyl (OH) groups and the band at 1700 cm-1 is due to the carbonyl (C=O).
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
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Protocols & Articles
Peer-Reviewed Papers
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References

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