125-46-2;7562-61-0 2,6-diacetyl-1,2,3,9b-tetrahydro-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione |
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Product Name | 2,6-diacetyl-1,2,3,9b-tetrahydro-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione |
Synonyms | Antibiotic lichen acid;usnic acid;L/D-Usnic acid;(+)-Usnic acid;plus-usnic acid;(+)-usnic acid from usnea dasypoga;2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzo[b,d]furan-1,3(2H,9bH)-dione;2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)-one;(9bS)-2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzo[b,d]furan-1,3(2H,9bH)-dione;(9bR)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)-one;(+)-Usnic Acid;(+)-Usniacin;Usinic Acid |
Molecular Formula | C18H16O7 |
Molecular Weight | 344.3154 |
InChl | InChI=1/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/h5,21-23H,1-4H3/t18-/m0/s1 |
CAS Registry Number | 125-46-2;7562-61-0 |
EINECS | 204-740-7;231-456-0 |
Molecular Structure | |
Density | 1.54g/cm3 |
Melting Point | 201-203℃ |
Boiling Point | 605.4°C at 760 mmHg |
Refractive Index | 1.678 |
Flash Point | 223.3°C |
Vapour Pressur | 3E-15mmHg at 25°C |
Hazard Symbols | Xn##Harmful:; |
Risk Codes | R22:; |
Safety Description | S36:; |
- 1.Xi'an Tiancheng Drugs & Bio-engineering Co.
- 2.Dynasty Chemicals Co., Ltd.
- 3.Canfo Chemical Co., Ltd.
- 4.AFINE CHEMICALS LIMITED
- 5.SUNWELL CHEMICALS CO.,LTD.
- 6.HANGZHOU N&B INDUSTRIAL CO.,LTD
- 7.Arisun ChemPharm Co.,Ltd.
- 8.Eastar Chemical Corporation
- 9.Beltroad Imp. & Exp. Co.,Ltd. ( Beltroadlab)
- 10.Extrasynthese