Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Tetrodotoxin, citrate (1:1) (salt)
RN: 18660-81-6

Classification Code

  • Natural Product

Molecular Formula

  • C11-H17-N3-O8.x-C6-H8-O7

Molecular Weight

  • 511.391
* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Other Resources (Internet Locators)

Names and Synonyms


  • Citrato de tetrodotoxina
  • Citrato de tetrodotoxina [Spanish]
  • Tetrodotoxin citrate

Systematic Names

  • Tetrodotoxin, 2-hydroxy-1,2,3-propanetricarboxylate (1:1) (salt) (9CI)
  • Tetrodotoxin, citrate (1:1) (salt)

Registry Numbers

CAS Registry Number

  • 18660-81-6

System Generated Number

  • 0018660816

Molecular Formulas

Molecular Formula

  • C11-H17-N3-O8.x-C6-H8-O7

Molecular Formula Fragments

  • C11-H17-N3-O8
  • C6-H8-O7

Structure Descriptors




Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 intravenous 8ng/kg (0.000008mg/kg)   Archivos de la Facultad de Medicina de Madrid. Vol. 8, Pg. 151, 1965.