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(+)-Usnic acid
SpectraBase Compound ID 5vXYrcMs7B2
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 CUCUKLJLRRAKFN-MCEAHNFKSA-N
Mol Weight 344.32 g/mol
Molecular Formula C18H16O7
Exact Mass 344.089603 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID Jpg9oHMSEKo
Name (+)-USNIC ACID
Source of Sample Fluka Chemie AG, Buchs, Switzerland
Copyright Copyright © 1980, 1981-2024 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/t11?,18-/m0/s1
InChIKey CUCUKLJLRRAKFN-MCEAHNFKSA-N
Melting Point 204-206C
Molecular Weight 344.319000
Optical Properties Optical Rotation= (20C) +490 +/- 10 DEG (c=0.7, CHLOROFORM)
Technique KBr WAFER