(9bS)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione

CAS Registry Number®

6159-66-6

CAS Name

(9bS)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione

Molecular Formula

C18H16O7

Molecular Mass

344.32

Cite this Page

(9bS)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6159-66-6 (retrieved 2024-11-21) (CAS RN: 6159-66-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    205 °C

Source(s)

Other Names and Identifiers

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/t11?,18-/m1/s1

InChIKey

InChIKey=CUCUKLJLRRAKFN-KKIBXBACSA-N

SMILES

C[C@]12C=3C(OC1=CC(=O)C(C(C)=O)C2=O)=C(C(C)=O)C(O)=C(C)C3O

Canonical SMILES

O=C(C=1C(O)=C(C(O)=C2C1OC3=CC(=O)C(C(=O)C)C(=O)C32C)C)C

Other Names for this Substance

  • 1,3(2H,9bH)-Dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bS)-
  • Usnic acid, (-)-
  • (9bS)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione
  • (-)-Usnic acid
  • l-Usnic acid

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Deleted or Replaced CAS Registry Numbers

1414-66-0, 17517-40-7

CAS INSIGHTSTM
Targeted protein degrader structure, illustration