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Piprinhydrinate (International)



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Histamine H₁-receptor antagonist (H₁-antihistaminic)

Chemical Name

4-Diphenylmetoxy-1-metylpiperidine salt of 8-chloroteophylline (WHO)

Foreign Names

  • Piprinhydrinatum (Latin)
  • Piprinhydrinat (German)
  • Piprinhydrinate (French)
  • Piprinhidrinato (Spanish)

Generic Names

  • Diphenylpyraline Teoclate (OS: JAN)
  • Piprinhydrinate (OS: BAN)
  • 8-Chlorotheophyllinate (IS)
  • P 284 (IS)

Brand Names

  • Allercon
    Siu Guan, Taiwan
  • Piprinhydrinate Hor Chen
    Hor Chen, Taiwan
  • Piprinhydrinate Pei Li
    Pei Li, Taiwan
  • Piprinhydrinate Quality Pharm
    Quality Pharm, Hong Kong
  • Piprinhydrinate Yung Sine
    Yung Sine, Taiwan
  • Plakon
    Yungjin, South Korea
  • Plocon
    New Chemical, Taiwan
  • Plokon
    Nippon Shinyaku, Taiwan; Schumit, Thailand
  • Ploton
    Swiss Pharm, Taiwan
  • Prinate
    Chin Teng Pharmaceutical Industrial, Taiwan
  • Sumincon
    Hua Shin, Taiwan


BANBritish Approved Name
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
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.