![(+)-Usnic acid phyproof® Reference Substance](/deepweb/assets/sigmaaldrich/product/structures/108/067/b2fe3fff-420a-4d5d-bdaa-497ffb2c7abb/640/b2fe3fff-420a-4d5d-bdaa-497ffb2c7abb.png)
(+)-Usnic acid
![(+)-Usnic acid phyproof® Reference Substance](/deepweb/assets/sigmaaldrich/product/structures/108/067/b2fe3fff-420a-4d5d-bdaa-497ffb2c7abb/640/b2fe3fff-420a-4d5d-bdaa-497ffb2c7abb.png)
Synonym(s):
2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione
Empirical Formula (Hill Notation):
C18H16O7
CAS Number:
Molecular Weight:
344.32
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