PHL89818
(+)-Usnic acid
phyproof® Reference Substance
Synonym(s):
2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione
About This Item
grade
primary reference standard
product line
phyproof® Reference Substance
Assay
≥98.0% (HPLC)
manufacturer/tradename
PhytoLab
mp
201-203 °C (lit.)
application(s)
food and beverages
format
neat
SMILES string
C[C@](C1=C(O)C(C)=C(O)C(C(C)=O)=C1O2)(C(C3C(C)=O)=O)C2=CC3=O
InChI
1S/C18H16O7/c1-6-14(22)12(8(3)20)16-13(15(6)23)18(4)10(25-16)5-9(21)11(7(2)19)17(18)24/h5,22-24H,1-4H3/t18-/m1/s1
InChI key
ICTZCAHDGHPRQR-GOSISDBHSA-N
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Related Categories
General description
Legal Information
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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