I need the structure of C.I.reactive violet 13 dye for my research purpose. Its commercial name is reactive magenta MB, this cold brand series dye, azo class.
Please refer the link below:
https://pubchem.ncbi.nlm.nih.gov/compound/16219930#section=InChI
The above link is for CI Reactive Violet 5, not CI Reactive Violet 13.
The Colour Index gives the CAS number for CI Reactive Violet 13 as 12270-87-0. However, neither the online edition, nor any of the hard copies of the Colour Index disclose the structure of CI Reactive Violet 13, other than to say it is an azo derivative. Since the Colour Index states that the structure of the dye is confidential (and has not published it), you should treat any structure given on the web with great caution. (A significant proportion of reactive dye structures appearing on web pages of Chinese origin is not correct.)
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