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Azuleno[6,5-b]furan-2,5-dione,3,3a,4,4a,7a,8,9,9a-octahydro-4-hydroxy-4a,8-dimethyl-3-methylene-,(3aS,4S,4aR,7aR,8R,9aR)- (6754-13-8)

Identification
Name:Azuleno[6,5-b]furan-2,5-dione,3,3a,4,4a,7a,8,9,9a-octahydro-4-hydroxy-4a,8-dimethyl-3-methylene-,(3aS,4S,4aR,7aR,8R,9aR)-
Synonyms:Ambrosa-2,11(13)-dien-12-oicacid, 6a,8b-dihydroxy-4-oxo-, 12,8-lactone (8CI);Azuleno[6,5-b]furan-2,5-dione,3,3a,4,4a,7a,8,9,9a-octahydro-4-hydroxy-4a,8-dimethyl-3-methylene-, [3aS-(3aa,4a,4ab,7aa,8a,9aa)]-; Helenalin (6CI,7CI); (-)-Helenalin; Helenalin A; NSC 85236
CAS:6754-13-8
Molecular Formula: C15H18 O4
Molecular Weight: 262.33
InChI: InChI=1/C15H18O4/c1-7-6-10-12(8(2)14(18)19-10)13(17)15(3)9(7)4-5-11(15)16/h4-5,7,9-10,12-13,17H,2,6H2,1,3H3/t7-,9+,10-,12-,13+,15+/m1/s1
Molecular Structure: (C15H18O4) Ambrosa-2,11(13)-dien-12-oicacid, 6a,8b-dihydroxy-4-oxo-, 12,8-lactone (8CI);Azuleno[6,5-b]furan-2,5...
Properties
Transport:2811
Melting Point: 167-168 DEG C
Flash Point: 179.9°C
Boiling Point: 473°C at 760 mmHg
Density:1.25g/cm3
Refractive index:1.565
Solubility:SLIGHTLY SOL IN WATER; SOL IN ALCOHOL, CHLOROFORM, HOT BENZENE
Specification:

 Helenalin (6754-13-8) also can be called for Helenalin ; (3as-(3Aalpha,4alpha,4abeta,7aalpha,8alpha,9aalpha))-Ethyl-3-methylene ; [3as]-3,3Aalpha,4alpha,4a,7Aalpha,8,9,9Aalpha-Octahydro-4-hydroxy-4abeta,8alph ; 6alpha,8beta-Dihydroxy-4-oxoambrosa-2,11(13)-dien-12-oicacid12,8-lactone ; A-Dimethyl-3-methyleneazuleno[6,5-b]-furan-2,5-dione ; Ambrosa-2,11(13)-dien-12-oicacid,6-alpha,8-beta-dihydroxy-4-oxo-,12,8-lacton ; Ambrosa-2,11(13)-dien-12-oicacid,6alpha,8beta-dihydroxy-4-oxo-,12,8-lactone ; Azuleno(6,5-b)furan-2,5-dione,3,3a,4,4a,7a,8,9,9a-octahydro-4-hydroxy-4a,8-dim . Helenalin (6754-13-8) is a Sesquiterpene lactone with potent anti-inflammatory and antitumor effects found in Arnica montana and Arnica chamissonis foliosa. It is the main compound responsible for the therapeutic effects of Arnica.When Helenalin (6754-13-8) was heated,it emits toxic fumes.

Report:

EPA Genetic Toxicology Program.

Packinggroup: III
Flash Point: 179.9°C
Color: STERNUTATIVE CRYSTALS FROM BENZENE
Safety Data
 

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