TCI C1203 3-Chloro-4-hydroxyphenylacetic Acid, CAS 33697-81-3, is a trifunctional aromatic building block combining a carboxylic acid, a phenolic hydroxyl group, and a ring chlorine. These handles can be addressed selectively, allowing esterification, amide coupling, etherification, or protection strategies within multi-step syntheses. The compound is frequently used as an intermediate in medicinal chemistry and fine organic synthesis, and as a reference material in analytical method development. AMI Scientific supplies it in a 25 g pack for laboratory use; weigh the powder in a well-ventilated area and follow the manufacturer's Safety Data Sheet.
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