Updated CAS

2,6-diacetyl-1,2,3,9b-tetrahydro-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione

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
InChI 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 125-46-2;7562-61-0 2,6-diacetyl-1,2,3,9b-tetrahydro-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione
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
Hazard Symbols  Xn:Harmful;
Risk Codes R22:;
Safety Description S36:;
Gold Suppliers(9):
Zhejiang Medicines & Health Products Import & Export Co., Ltd.    Tel:86-571-28935811
Dynasty Chemicals Co., Ltd.    Tel:86-574-87314242 87314343
Canfo Chemical Co., Ltd.    Tel:+86-28-85137025
Dynasty Colourants Co., Ltd.    Tel:0086-574-27897999 ext. 8001
Tianjin Harmony Technology Development Co., Ltd.    Tel:+86-22-23697098
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