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ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Cytostatic agent: Antimetabolite

Chemical Names

2-aminopurine-6-tiol (WHO)

6H-Purine-6-tione, 2-amino-1,7-dihydro- (USP)

Foreign Names

  • Tioguaninum (Latin)
  • Tioguanin (German)
  • Tioguanine (French)
  • Tioguanina (Spanish)

Generic Names

  • Thioguanine (OS: USAN)
  • Tioguanine (OS: BAN, DCF)
  • 6-TG (IS)
  • NSC 752 (IS)
  • Wellcome U 3 B (IS)
  • Thioguanine (PH: USP 41)
  • Tioguanine (PH: BP 2018)

Brand Names

  • Lanvis
    Aspen, Belgium; Aspen, Czech Republic; Aspen, Estonia; Aspen, Ireland; Aspen, Lithuania; Aspen, Malaysia; Aspen, New Zealand; Aspen, Poland; Aspen Europe, Sweden; Aspen Oss, Netherlands; Aspen Pharma, Brazil; Aspen Pharma, Romania; Aspen Pharmacare, Australia; Aspen Pharmacare, Canada; Aspen Pharmacare, Hong Kong; Excella, Israel; GlaxoSmithKline, Egypt; GlaxoSmithKline, Lebanon; GlaxoSmithKline, Taiwan; GlaxoSmithKline, South Africa; HAC Pharma, France; IFET, Greece; Pharmatech Chile, Chile; Salus, Slovenia; Techsphere, Argentina; VLD, Turkey; Wael, Bahrain
  • Lanvis 40mg
    Aspen, Switzerland
  • Tabloid
    GlaxoSmithKline, Uruguay
  • Thioguanin Aspen
    Aspen Pharma Trading, Austria
  • Thioguanin-Aspen
    Aspen Pharma, Germany
  • Thioguanine
    Aspen Pharma, United States; IFET, Greece
  • Thiosix
    Teva Nederland, Netherlands
  • Tioguanina
    IFET, Greece; Induquimica, Peru
  • Tioguanina Aspen
    Medicare, Spain
  • Tioguanina Wellcome
    GlaxoSmithKline, Italy
  • Tioguanine
    Aspen, United Kingdom; Pharmasan, Slovenia; Salus, Slovenia


BANBritish Approved Name
DCFDénomination Commune Française
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
USPPharmacopoeia of the United States
WHOWorld 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

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.