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Substance Name: Tomatine
RN: 17406-45-0
UNII: 31U6547O08


  • An alkaloid that occurs in the extract of leaves of wild tomato plants. It has been found to inhibit the growth of various fungi and bacteria. It is used as a precipitating agent for steroids. (From The Merck Index, 11th ed)

Molecular Formula

  • C50-H83-N-O21

Molecular Weight

  • 1034.1917

Classification Codes

  • Anti-Infective Agents
  • Antifungal Agents
  • Indicators and Reagents
  • Mutation Data
  • Natural Product
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Names and Synonyms

Name of Substance

  • Tomatine

MeSH Heading

  • Tomatine


  • (3beta,5alpha,22beta,25S)-Spirosolan-3-yl O-beta-D-glucopyranosyl-(1-2)-O-(beta-D-xylopyranosyl)-(1-3))-O-(beta-D-glucopyranosyl-(1-4)-beta-D-Galactopyranoside
  • 4-27-00-01954 (Beilstein Handbook Reference)
  • A''-Tomatidine
  • AI3-17141
  • alpha-Tomatine
  • beta-D-Galactopyranoside, (3beta,5alpha,22beta,25S)-spirosolan-3-yl O-beta-D-glucopyranosyl-(1-2)-O-(beta-D-xylopyranosyl-(1-3))-O-beta-D-glucopyranosyl-(1-4)-
  • BRN 0078250
  • EINECS 241-429-5
  • HSDB 3558
  • Lycopersicin
  • NSC 234440
  • NSC 9223
  • Tomatidine, glycoside
  • Tomatin
  • Tomatine
  • UNII-31U6547O08

Systematic Names

  • beta-D-Galactopyranoside, (3beta,5alpha,22beta,25S)-spirosolan-3-yl O-beta-D-glucopyranosyl-(1->2)-O-(beta-D-xylopyranosyl)-(1->3)-O-beta-D-glucopyranosyl-(1->4)-
  • Tomatine

Registry Numbers

CAS Registry Number

  • 17406-45-0


  • 31U6547O08

System Generated Number

  • 0017406450

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 25mg/kg (25mg/kg)   Schweizerische Zietschrift fuer Allgemeine Pathologie und Bakteriologie. Vol. 22, Pg. 557, 1959.
mouse LD50 oral 500mg/kg (500mg/kg)   Food and Cosmetics Toxicology. Vol. 17, Pg. 61, 1979.
mouse LD50 subcutaneous 1gm/kg (1000mg/kg)   "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980Vol. 8(2), Pg. 218, 1982.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 270 deg C   EXP
log P (octanol-water) -1.700 (none)   EST
Atmospheric OH Rate Constant 3.66E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.