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Usnic acid
SpectraBase Compound ID CCsbzk1CzSd
InChI 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/h5,11,22-23H,1-4H3
InChIKey CUCUKLJLRRAKFN-UHFFFAOYSA-N
Mol Weight 344.32 g/mol
Molecular Formula C18H16O7
Exact Mass 344.089603 g/mol

13C Nuclear Magnetic Resonance (NMR) Spectrum

13C Nuclear Magnetic Resonance (NMR) Spectrum

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SpectraBase Spectrum ID 36LNugAVZFr
Name (+)-Usnic acid
Source of Sample Sigma-Aldrich Co. LLC.
Catalog Number 329967
CAS Registry Number 7562-61-0
Copyright Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Formula C18H16O7
InChI 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/h5,11,22-23H,1-4H3
InChIKey CUCUKLJLRRAKFN-UHFFFAOYSA-N
Observed nucleus 13C
Purity 98%
Solvent CDCl3
Source of Spectrum Sigma-Aldrich Co. LLC.
Synonyms (+)-Usnic acid from Usnea dasypoga; 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione
Wiley ID SIAL_13CNMR_006623