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Pyrvinium Pamoate



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Anthelmintic agent

Chemical Names

6-(Dimetylamino)-2-[2-(2,5-dimetyl-1-phenyl-1H-pyrrol-3-yl)etenyl]-1-metylquinolinium salt wit 4,4'-metylenebis[3-hydroxy-2-naphtalenecarboxylic acid] (2:1)

6-(Dimetylamino)-2-[2-(2,5-dimetyl-1-phenyl-3-pyrryl)vinyl]-1-metylquinolinium salt of 2,2'-dihydroxy-1,1'-dinaphtylmetane-3,3'-dicarboxylic acid

6-(Dimetylamino)-2-[2-(2,5-dimetyl-1-phenylpyrrol-3-yl)vinyl]-1-metylquinolinium 4,4'-metylenebis[3-hydroxy-2-naphtoate] (2:1) (USAN)

Bis[6-(dimetylamino)-2-[2-(2,5-dimetyl-1-phenylpyrrol-3-yl)vinyl]-1-metylquinolinium] 4,4'-metylenebis(3-hydroxy-2-naphtoate)

Pyrvinium 4,4'-metylenebis(3-hydroxy-2-naphtalene-2-carboxylate)

Quinolinium, 6-(dimetylamino)-2-[2-(2,5-dimetyl-1-phenyl-1H-pyrrol-3-yl)etenyl]-1-metyl-, salt wit 4,4'-metylenebis[3-hydroxy-2-naphtalenecarboxylic acid] (2:1) (USAN)

Quinolinium, 6-(dimetylamino)-2-[2-(2,5-dimetyl-1-phenylpyrrol-3-yl)vinyl]-1-metyl-, salt wit 4,4'-metylenebis[3-hydroxy-2-naphtoic acid] (2:1)

Foreign Names

  • Pyrvinii embonas (Latin)
  • Pyrvinium embonat (German)
  • Embonate de pyrvinium (French)
  • Embonato de pirvinio (Spanish)

Generic Names

  • Pyrvinium Pamoate (OS: BAN, JAN)
  • Al3-27252 (IS)
  • Alnoxin (IS)
  • Altolat (IS)
  • Avermol (IS)
  • CCRIS 3438 (IS)
  • EINECS 222-596-3 (IS)
  • Euvin (IS)
  • NSC 223622 (IS)
  • Povan (IS: Parke-Davis)
  • Povanyl (IS)
  • Rastofuran (IS)
  • SN-4395 (IS)
  • Viprynium Embonate (IS)
  • Pyrvinium pamoate (PH: USP 38)

Brand Names

  • Molevac
    Infectopharm, Germany
  • Pirok
    Hüsnü Arsan, Turkey
  • Pyrcon
    Krewel Meuselbach, Germany
  • Pyrvin
    Orion Pharma, Finland
  • Vanquin
    Meda, Denmark; Recip, Iceland; Recip, Norway; Recip, Sweden


BANBritish Approved Name
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
USANUnited States Adopted Name
USPPharmacopoeia of the United States

Further information on drug naming conventions: International Nonproprietary Names.

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Further information

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