3-Hydroxy-4-nitrobenzoic acid

3-Hydroxy-4-nitrobenzoic acid (CAS 619-14-7) is manufactured directly by Hunan HuaTeng Pharmaceutical Co., Ltd. at pharmaceutical grade under the company's in-house standards. It serves as a key intermediate in the synthesis of Tafamidis, a transthyretin-stabilizing drug used to delay peripheral nerve function loss in adults with familial amyloid polyneuropathy, and has also been studied for chloroplast-development inhibition and Ras-protein inhibitory activity relevant to cancer research. The product is distributed across North America, Europe, Australasia, Asia, and the Middle East.