![155911-14-1 | 2',4,7,7'-Tetrachloro-3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid](http://structure.chemcd.cn/berry/structure/155911-14-1.png "155911-14-1 | 2',4,7,7'-Tetrachloro-3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid")
Cat.No. 110357
Chemical Name2',4,7,7'-Tetrachloro-3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid
CAS No. 155911-14-1
Molecular Formula C21H8Cl4O7
Formula Weight514.10
Purity ≥95%
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![110605 | 3348-03-6 | 3',6'-Diacetoxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid](http://structure.chemcd.cn/berry/structure/3348-03-6.png "110605 | 3348-03-6 | 3',6'-Diacetoxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid")
