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4-Bromophenol is used as an intermediate in medicine grade. It is also used as a phenol that is used in Stille reactions.
B 2176 (OTTO) 3-Bromophenol, 98% Cas no 591-20-8 - used in the preparation of 3-bromophenyl ester by reaction with benzoyl chloride in presence of triethylamine as a catalyst.