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Testing Status of Pyridostigmine bromide M950099


CASRN: 101-26-8

Formula: C9-H13-N2-O2.Br

Synonyms/Common Names

  • 3-[[(Dimethylamino)carbonyl]oxy]-1-methylpyridinium bromide
  • 3-(Dimethylcarbamyloxy)-1-methylpyridinium bromide
  • 3-Hydroxy-1-methylpyridinium bromide dimethylcarbamate
  • Kalymin
  • Mestinon
  • Mestinon bromide
  • 1-Methyl-3-hydroxypyridinium bromide dimethylcarbamate
  • Pyridostigmine
  • Regonol
  • Ro 1-5130

Known Uses

Drug of choice for the symptomatic treatment of myasthenia gravis. Used as an anticholinesterase drug. Used by U.S. military as a pretreatment for exposure to organophosphate chemical warfare agents since 1986.

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (A19360)  Completed 
    •  Negative