CAS 55694-81-0: 1H-Imidazole-2-sulfonyl chloride, 1-methyl-

1-Methylimidazole-2-sulfonyl chloride

1-Methylimidazole-2-sulfonyl chloride is a synthetic estrogen that is used for the treatment of estrogen deficiency in women. It has been shown to increase plasma estradiol levels and reduce plasma testosterone levels. This drug is not active at physiological levels, but was found to have biological relevance when administered at higher doses. 1-Methylimidazole-2-sulfonyl chloride has been found to be effective in the treatment of cancer in humans, with a specific effect on breast cancer cells.