4-Bromo-3-chlorophenol (CAS 13631-21-5) is a halogen-substituted phenol building block widely utilized as a synthetic intermediate in organic chemistry. Its dual halogen substituents (bromo and chloro) enable selective, stepwise functionalization through cross-coupling reactions such as Suzuki-Miyaura and Ullmann couplings, making it valuable for constructing complex aromatic scaffolds. This compound is particularly relevant in medicinal chemistry research, agrochemical development, and the synthesis of functional organic materials.
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