2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzo[b,d]furan-1,3(2H,9bH)-dione, 98% （approx. R）

cas: 125-46-2 — see every product listed under this CAS number, including other names

2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzo[b,d]furan-1,3(2H,9bH)-dione, 98% （approx. R） (CAS 125-46-2) is a chemical reagent available from Chemat. Available pack sizes: 250mg, 1g, 5g, 10g, 25g, 100g. Offered by: BLDpharm.

• 2D
• 3D

7-Hydroxy-(S)-usnate is a member of benzofurans.

Source: ChEBI

Identity

Molecular formula	C18H16O7
Molecular weight	344.3 g/mol
IUPAC name	2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione
InChIKey	CUCUKLJLRRAKFN-UHFFFAOYSA-N
SMILES	CC1=C(C(=C2C(=C1O)C3(C(=CC(=O)C(C3=O)C(=O)C)O2)C)C(=O)C)O

Computed by PubChem (NCBI)

Synonyms: usnic acid, Usniacin, Usno, Usninic acid, 1,3(2H,9bH)-Dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione, 1,3-(2H,9bH)-Dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, 2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one, Usnein, UsnicAcid

Isomers (same molecular formula)

3,7-dihydroxy-2-(3,4,5-trimethoxyphenyl)chromen-4-one C₁₈H₁₆O₇

5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7-dimethoxychromen-4-one C₁₈H₁₆O₇

5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-7,8-dimethoxychromen-4-one C₁₈H₁₆O₇

2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-6-methoxychromen-4-one C₁₈H₁₆O₇

5,7-dihydroxy-3-(2,4,5-trimethoxyphenyl)chromen-4-one C₁₈H₁₆O₇

5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7-dimethoxychromen-4-one C₁₈H₁₆O₇

5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxychromen-4-one C₁₈H₁₆O₇

3,5-dihydroxy-6,7-dimethoxy-2-(4-methoxyphenyl)chromen-4-one C₁₈H₁₆O₇

5-hydroxy-2-(2-hydroxy-6-methoxyphenyl)-7,8-dimethoxychromen-4-one C₁₈H₁₆O₇

7-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,5-dimethoxychromen-4-one C₁₈H₁₆O₇

5,7-dihydroxy-6,8-dimethoxy-2-(4-methoxyphenyl)chromen-4-one C₁₈H₁₆O₇

5,6-dihydroxy-3,7-dimethoxy-2-(4-methoxyphenyl)chromen-4-one C₁₈H₁₆O₇