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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 38)
  • Tioguanine (PH: BP 2016)

Brand Names

  • Lanvis
    Aspen, Belgium; Aspen, Switzerland; Aspen, Estonia; Aspen, Ireland; Aspen, Lithuania; Aspen, Malaysia; Aspen, Netherlands; Aspen, New Zealand; Aspen, Poland; Aspen Pharmacare, Hong Kong; Aspri Pharma, Canada; Excella, Israel; Genopharm, Czech Republic; Glaxo Wellcome, Romania; GlaxoSmithKline, Argentina; GlaxoSmithKline, Brazil; GlaxoSmithKline, Egypt; GlaxoSmithKline, Lebanon; GlaxoSmithKline, Latvia; GlaxoSmithKline, Oman; GlaxoSmithKline, Taiwan; GlaxoSmithKline, South Africa; HAC Pharma, France; Navamedic AB, Sweden; PharmaSwiss, Slovenia; Pharmatech Chile, Chile; VLD, Turkey; Wael, Bahrain
  • Tabloid
    Prasco, United States
  • Thioguanin Aspen
    Aspen Pharma Trading, Austria; Sanolabor, Slovenia
  • Thioguanin Ifet
    IFET, Greece
  • Thioguanin Unifarm
    CN Unifarm, Romania
  • Thioguanin-Aspen
    Aspen Pharma, Germany
  • Thiosix
    Teva, Netherlands
  • Tioguanina GlaxoSmithKline
    GlaxoSmithKline, Spain
  • Tioguanina Ifet
    IFET, Greece
  • Tioguanine Aspen
    Aspen, United Kingdom; L. Molteni & C. dei F.lli Alitti Società di Esercizio, Italy


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.