Emodin

Emodin
Names
Preferred IUPAC name
1,3,8-Trihydroxy-6-methylanthracene-9,10-dione
Other names
6-Methyl-1,3,8-trihydroxyanthraquinone
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.007.509
KEGG
UNII
  • InChI=1S/C15H10O5/c1-6-2-8-12(10(17)3-6)15(20)13-9(14(8)19)4-7(16)5-11(13)18/h2-5,16-18H,1H3 Y
    Key: RHMXXJGYXNZAPX-UHFFFAOYSA-N Y
  • InChI=1/C15H10O5/c1-6-2-8-12(10(17)3-6)15(20)13-9(14(8)19)4-7(16)5-11(13)18/h2-5,16-18H,1H3
    Key: RHMXXJGYXNZAPX-UHFFFAOYAD
  • O=C2c1cc(cc(O)c1C(=O)c3c2cc(O)cc3O)C
Properties
C15H10O5
Molar mass 270.240 g·mol−1
Appearance Orange solid
Density 1.583±0.06 g/cm3
Melting point 256 to 257 °C (493 to 495 °F; 529 to 530 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

Emodin (6-methyl-1,3,8-trihydroxyanthraquinone) is a chemical compound, of the anthraquinone family, that can be isolated from rhubarb, buckthorn, and Japanese knotweed (Reynoutria japonica syn. Polygonum cuspidatum). Emodin is particularly abundant in the roots of the Chinese rhubarb (Rheum palmatum), knotweed and knotgrass (Polygonum cuspidatum and multiflorum) as well as Hawaii ‘au‘auko‘i cassia seeds or coffee weed (Semen cassia). It is specifically isolated from Rheum palmatum L. It is also produced by many species of fungi, including members of the genera Aspergillus, Pyrenochaeta, and Pestalotiopsis, inter alia. The common name is derived from Rheum emodi, a taxonomic synonym of Rheum australe, (Himalayan rhubarb) and synonyms include emodol, frangula emodin, rheum emodin, 3-methyl-1,6,8-trihydroxyanthraquinone, Schüttgelb (Schuttgelb), and Persian Berry Lake.

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