7562-61-0|1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bR)-Products Supply

1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bR)- cas no:7562-61-0

Synonyms: Usnic acid,(R)- (8CI);(+)-Usnic acid;(+)-Usninic acid;(R)-Usnic acid;NSC 685596;d-Usnic acid;d-Usninic acid;

Identification

Name1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bR)-
CAS7562-61-0
SynonymsUsnic acid,(R)- (8CI);(+)-Usnic acid;(+)-Usninic acid;(R)-Usnic acid;NSC 685596;d-Usnic acid;d-Usninic acid;
EINECS(EC#)231-456-0
Molecular FormulaC₁₈H₁₆O₇
Molecular Weight344.32

Chemical Properties

alpha488 o (C=0.4, CHCL3)
storage temp2-8°C

Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)

HazardclassIRRITANT

Safety Data

Hazard Xn
Risk R22
Safety

Moderately toxic by ingestion. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: Xn
Risk Statements: 22
R22:Harmful if swallowed.
Safety Statements: 36
S36:Wear suitable protective clothing.

Toxicity

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	oral	838mg/kg (838mg/kg)		Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. Vol. 31, Pg. 247, 1972.

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1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bR)- cas no:7562-61-0

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