| Identification | Back Directory | [Name]
(-)-USNIC ACID | [CAS]
6159-66-6 | [Synonyms]
Nsc5889
(-)-USNEIN
Aids010615
Aids-010615
l-Usnic acid
(-)-USNEIN 97%
(-)-USNIC ACID 97%
(9bS)-7,9-Dihydroxy-2,6-diacetyl-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione
(9bS)-2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl(2H,9bH)-dibenzofuran-1,3-dione
[9bS,(-)]-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione
1,3(2H,9Bh)-dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9B-dimethyl-, (9br)- | [EINECS(EC#)]
228-181-3 | [Molecular Formula]
C18H16O7 | [MDL Number]
MFCD00017663 | [MOL File]
6159-66-6.mol | [Molecular Weight]
344.32 |
| Chemical Properties | Back Directory | [Melting point ]
205 °C | [Boiling point ]
594.8±50.0 °C(Predicted) | [density ]
1.49±0.1 g/cm3(Predicted) | [pka]
4.00±0.40(Predicted) | [Contact allergens]
Usnic acid is a component of lichens, also used as a
topical antibiotic. Allergic contact dermatitis from
lichens occurs mainly occupationally in forestry and
horticultural workers, and in lichen pickers. |
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