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Methylmethionine Sulfonium Chloride



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Treatment of peptic ulcer

Chemical Names

(S)-(3-Amino-3-carboxypropyl)dimetylsulfonium chloride

Sulfonium, (3-amino-3-carboxypropyl)dimetyl-, chloride, L-

Generic Names

  • Methylmethionine Sulfonium Chloride (OS: JAN)
  • MMSC (IS)
  • Vitamin U (IS)

Brand Names

  • Cabagin U (Methylmethionine Sulfonium Chloride and Simaldrate)
    Kowa Souyaku, Japan
  • Cabagin-U
    Kowa, Taiwan; Kowa Souyaku, Japan
  • Johngen-U
    Johnson, Taiwan
  • Thiospen
    Teva Seiyaku, Japan
  • Weizel
    Chin Teng, Taiwan


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym

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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.