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Trade names | Naclobenz-Natrium, Spergisin, Speton |
Other names | p-(Chlorosulfamoyl)benzoic acid |
Routes of administration | Vaginal |
Drug class | Disinfectant |
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Chemical and physical data | |
Formula | C7H6ClNO4S |
Molar mass | 235.64 g·mol−1 |
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Monalazone, used as monalazone disodium ( INN ; the disodium salt) and sold under the brand names Naclobenz-Natrium, Spergisin, and Speton, is a vaginal disinfectant or antiseptic and spermicidal contraceptive. [1] [2] [3] [4] It is a sulfonylbenzoic acid derivative and is closely related structurally to halazone. [2] The compound was synthesized in 1937. [1] A vaginal tablet combination of 0.125 mg estradiol benzoate and 10 mg monalazone was previously marketed under the brand name Malun 25. [5] [3]
Monalazone disodium is an antiseptic closely related structurally to halazone (see p.796) and is used as a vaginal disinfectant and spermicide. Proprietary Names Malun N. Sperlisin. Multi-ingredient preparations. Malun.