Grachev, M. K. et al. published their research in Russian Journal of General Chemistry in 2010 | CAS: 53784-83-1

Heptakis(6-Bromo-6-Deoxy)-β-Cyclodextrin (cas: 53784-83-1) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. Commercially available organobromine pharmaceuticals include the vasodilator nicergoline, the sedative brotizolam, the anticancer agent pipobroman, and the antiseptic merbromin. COA of Formula: C42H63Br7O28

The β-cyclodextrin cationic derivatives containing residues of some pharmacologically important acids was written by Grachev, M. K.;Charaev, A. A.;Kurochkina, G. I.;Vasyanina, L. K.;Shmelev, V. N.;Nifant’ev, E. E.. And the article was included in Russian Journal of General Chemistry in 2010.COA of Formula: C42H63Br7O28 This article mentions the following:

The cationic derivatives of β-cyclodextrin containing residues of covalently bound pharmacol. important acids were obtained by alkylation of nucleophilic reagents with 6-halo-6-deoxy-β-cyclodextrin. In the experiment, the researchers used many compounds, for example, Heptakis(6-Bromo-6-Deoxy)-β-Cyclodextrin (cas: 53784-83-1COA of Formula: C42H63Br7O28).

Heptakis(6-Bromo-6-Deoxy)-β-Cyclodextrin (cas: 53784-83-1) belongs to organobromine compounds. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact. Commercially available organobromine pharmaceuticals include the vasodilator nicergoline, the sedative brotizolam, the anticancer agent pipobroman, and the antiseptic merbromin. COA of Formula: C42H63Br7O28

Referemce:
Bromide – Wikipedia,
bromide – Wiktionary