Usnic acid

Catalog Number	ACM125462-2
CAS Number	125-46-2
Structure
Molecular Weight	344.32
Molecular Formula	C18H16O7
Canonical SMILES	O=C(C1(C)C(OC2=C(C(C)=O)C(O)=C(C)C(O)=C12)=C3)C(C(C)=O)C3=O
Purity	98%+
Appearance	White to yellow solid
Storage	Powder: -20 °C, 3 years; 4 °C, 2 years In solvent: -80 °C, 6 months; -20 °C, 1 month

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