ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antiviral agent

Nucleoside analogue

Chemical Names

6H-Purin-6-one, 2-amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)butyl]-

9-[4-Hydroxy-3-(hydroxymethyl)butyl]guanin (IUPAC)

9-[4-Hydroxy-3-(hydroxymethyl)butyl]guanine (WHO)

Foreign Names

  • Penciclovirum (Latin)
  • Penciclovir (German)
  • Penciclovir (French)
  • Penciclovir (Spanish)

Generic Names

  • Penciclovir (OS: USAN, DCF, BAN)
  • BRL 39123 (IS: SmithKlineBeec)
  • Penciclovir Sodium (OS: USAN)
  • BRL-39123-D (IS)
  • UNII-P06226385L (IS)

Brand Names

  • Denavir
    NitroMed, United States
  • Famvir P
    Novartis, Brazil
  • Famvir
    Novartis, Austria; Novartis, Netherlands
  • Fenistil
    Novartis Consumer Health, United Kingdom
  • Fenistil Cold
    Novartis, Malta
  • Fenistil Pencivir
    Novartis, Georgia; Novartis, Russian Federation; Novartis Consumer Health, Germany
  • Fenivir
    Novartis, Bulgaria; Novartis, Estonia; Novartis, Greece; Novartis, Lithuania; Novartis, Latvia; Novartis Consumer Health, Austria; Novartis Consumer Health, Switzerland; Novartis Consumer Health, Hungary; Novartis Consumer Health, South Africa
  • Fenlips
    Novartis, Israel
  • Keyou
    Zhaohui, China
  • Pentavir
    Fortbenton, Argentina
  • Vectavir
    GlaxoSmithKline, Slovakia; Novartis, Bulgaria; Novartis, Czech Republic; Novartis, Denmark; Novartis, Finland; Novartis, Iceland; Novartis, Norway; Novartis, Oman; Novartis, Sweden; Novartis, Turkey; Novartis Consumer Health, Belgium; Novartis Consumer Health, Spain; Novartis Consumer Health, United Kingdom; Novartis Consumer Health, Netherlands; Novartis Farma, Italy
  • Zilip
    Novartis Consumer Health, Italy
  • Denavir
    Denco Asset, United States

International Drug Name Search


BANBritish Approved Name
DCFDénomination Commune Française
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld Health Organization

Click for further information on drug naming conventions and 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.