Matveichuk, Yu. V. et al. published their research in Journal of Analytical Chemistry in 2019 | CAS: 76-54-0

2′,7′-Dichloro-3′,6′-dihydroxy-3H-spiro[isobenzofuran-1,9′-xanthen]-3-one (cas: 76-54-0) belongs to benzofurans derivatives. Benzofuran is the “”parent”” of many related compounds with more complex structures. For example, psoralen is a benzofuran derivative that occurs in several plants. Benzofurans have also made significant and distinctive contributions to biology. They exhibit several biological activities that range from antiviral, antimicrobial, antitumor, anti-inflammatory.Application of 76-54-0

Ligand Function of Ion-Selective Electrodes Reversible to Zinc and Cobalt Thiocyanate Complexes: Causes of Formation, Mathematical Description, and Analytical Applications was written by Matveichuk, Yu. V.;Rakhman’ko, E. M.. And the article was included in Journal of Analytical Chemistry in 2019.Application of 76-54-0 This article mentions the following:

The manifestation of the ligand function of Zn(NCS)42- and Co(NCS)42- selective electrodes based on higher quaternary ammonium salts is explained by the exchange displacement of zinc and cobalt thiocyanates by SCN– ions from the membrane into the near-electrode layer of the solution Its action is limited by the dissociation of the quaternary ammonium salt as an associate with Zn(NCS)42- and Co(NCS)42- ions. The effect of the background concentration of CoCl2 or ZnCl2 on the selectivity of Zn(NCS)42- and Co(NCS)42- selective electrodes based on higher quaternary ammonium salts to SCN– ions is studied. The introduction of CoCl2 or ZnCl2 into the solution binds cobalt or zinc ions released from the membrane into thiocyanate complexes. The high selectivity of the Zn(NCS)42- and Co(NCS)42-selective electrodes to SCN– ions is due to the higher extraction ability of the cobalt and zinc complexes with SCN– ions compared to acid complexes with the competing anions. It is demonstrated that Zn(NCS)42- and Co(NCS)42- selective electrodes can be used for the determination of SCN– ions in process solutions in the production of polyacrylonitrile fibers. In the experiment, the researchers used many compounds, for example, 2′,7′-Dichloro-3′,6′-dihydroxy-3H-spiro[isobenzofuran-1,9′-xanthen]-3-one (cas: 76-54-0Application of 76-54-0).

2′,7′-Dichloro-3′,6′-dihydroxy-3H-spiro[isobenzofuran-1,9′-xanthen]-3-one (cas: 76-54-0) belongs to benzofurans derivatives. Benzofuran is the “”parent”” of many related compounds with more complex structures. For example, psoralen is a benzofuran derivative that occurs in several plants. Benzofurans have also made significant and distinctive contributions to biology. They exhibit several biological activities that range from antiviral, antimicrobial, antitumor, anti-inflammatory.Application of 76-54-0

Referemce:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem