(R)-Usnic acid

CAS Registry Number®

7562-61-0

CAS Name

(R)-Usnic acid

Molecular Formula

C18H16O7

Molecular Mass

344.32

Cite this Page

(R)-Usnic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7562-61-0 (retrieved 2024-11-24) (CAS RN: 7562-61-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    206 °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-/m0/s1

InChIKey

InChIKey=CUCUKLJLRRAKFN-MCEAHNFKSA-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-, (9bR)-
  • Usnic acid, (R)-
  • (9bR)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione
  • (+)-Usninic acid
  • d-Usnic acid

View All

Deleted or Replaced CAS Registry Numbers

1414-34-2

CAS INSIGHTSTM
Hourglass and a clock