National Toxicology Program

National Toxicology Program

Testing Status of Methdilazine - 10203-G


CASRN: 1982-37-2

Formula: C18-H20-N2-S

Synonyms/Common Names

  • 10-((1-Methyl-3-pyrrolidinyl)-10H-methyl)phenothiazine (9CI)

Known Uses


Chemical Properties

Toxicity Effects (HSDB)

Short-Term Toxicity

  • 14-Day (Gavage)  (C60720A)  Completed 
    • Rats: F344/N; Mice: B6C3F1
  • 13-Week (Gavage)  (C60720A)  Completed 
    • Rats: F344/N; Mice: B6C3F1
    • Dose: R: 0, 25, OR 200, M: 0, 25, OR 180 MG/KG/10 PER GROUP.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.