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CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Treatment of peptic ulcer

Chemical Name

Acetic acid, [5-[(3-metyl-2-butenyl)oxy]-2-[3-[4-[(3-metyl-2-butenyl)oxy]phenyl]-1-oxo-2-propenyl]phenoxy]-

Foreign Names

  • Sofalconum (Latin)
  • Sofalcon (German)
  • Sofalcone (French)
  • Sofalcona (Spanish)

Generic Names

  • Sofalcone (OS: JAN)
  • Su 88 (Taisho) (IS)

Brand Names

  • Lavin
    Tatsumi Kagaku, Japan
  • Lavin 20%
    Tatsumi Kagaku, Japan
  • Sofalcone 10%
    Sawai Seiyaku, Japan; Towa Yakuhin, Japan; Yoshindo, Japan
  • Sofalcone 20%
    Choseido Pharmaceutical, Japan; Sawai Seiyaku, Japan; Takeda Teva Pharma, Japan; Towa Yakuhin, Japan; Yoshindo, Japan
  • Solon
    Taisho Seiyaku, Japan
  • Solon 20%
    Taisho Seiyaku, Japan
  • Tofalcone
    Kyorin Rimedio, Japan


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
Prop.INNProposed International Nonproprietary Name (World Health Organization)

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

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