TCI C0228 4-Chloro-2-nitrophenol (CAS 89-64-5) is a chlorinated nitrophenol in which the ortho nitro group can engage in intramolecular hydrogen bonding with the hydroxyl function. The molecule offers two complementary handles: a phenolic oxygen for etherification or acylation, and a nitro group that can be reduced to the corresponding aminophenol. That aminophenol is a convenient entry point to benzoxazoles and related heterocyclic systems. TCI supplies this non-heterocyclic building block in a 25 g pack size for laboratory-scale synthetic work.
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