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ethyl 4-bromothiophene-3-carboxylate; CAS No.: 224449-33-6; ethyl 4-bromothiophene-3-carboxylate. PROPERTIES: Ethyl 4-bromothiophene-3-carboxylate presents as a pale yellow liquid with a characteristic ester odor. The compound exhibits moderate polarity with a logP around 3.2 and shows good solubility in aliphatic hydrocarbons. It is sensitive to strong bases undergoing debromination reactions. Recommended storage involves maintaining in tightly sealed amber bottles at temperatures below 25 C. Safety precautions include avoiding contact with strong reducing agents and using explosion-proof ventilation as per chemical handling guidelines for organobromides. APPLICATIONS: Ethyl 4-bromothiophene-3-carboxylate serves as an intermediate in the preparation of thiophene-based conductive polymers documented in materials science research. Its bromine substituent enables cross-coupling reactions useful in constructing oligothiophene frameworks reported in organic electronics literature. Furthermore, the compound functions as a building block for agrochemicals though this application is excluded, instead noting its role in medicinal chemistry as a precursor to cannabinoid receptor modulators described in pharmacology publications.