Skip to main content




ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Treatment of peptic ulcer

Gastric acid secretion inhibitor

Chemical Name

6H-Pyrido[2,3-b][1,4]benzodiazepin-6-one, 5,11-dihydro-11-[(4-metyl-1-piperazinyl)acetyl]-

Foreign Names

  • Pirenzepinum (Latin)
  • Pirenzepin (German)
  • Pirenzépine (French)
  • Pirenzepina (Spanish)

Generic Names

  • Pirenzepina (OS: DCIT)
  • Pirenzepine (OS: BAN)
  • Pirenzépine (OS: DCF)
  • L-S519 (IS)
  • Pirenzepine Hydrochloride (OS: USAN, BANM)
  • Pirenzepine Hydrochloride Hydrate (OS: JAN)
  • Pirenzepindihydrochlorid-Monohydrat (PH: Ph. Eur. 9)
  • Pirenzépine (dichlorhydrate de) monohydraté (PH: Ph. Eur. 9)
  • Pirenzepine dihydrochloride monohydrate (PH: Ph. Eur. 9)
  • Pirenzepine Hydrochloride (PH: BP 2018)
  • Pirenzepine Hydrochloride Hydrate (PH: JP XVII)
  • Pirenzepini dihydrochloridum monohydricum (PH: Ph. Eur. 9)

Brand Names

  • Anquwei
    Panion & BF, Taiwan
  • Gaspin
    Gentle, Taiwan
  • Gastrozepin
    Boehringer Ingelheim, Germany; Merck, Pakistan; Nippon Boehringer Ingelheim, Japan
  • Gaszepin
    Swiss Pharm, Taiwan
  • Kawaipin
    Siu Guan, Taiwan
  • Lizepine
    Health Chemical, Taiwan
  • Lonzepin
    Li Ta, Taiwan
  • Muszepin
    Royal, Taiwan
  • Pirenzepine Baiyunshan Pharm
    Baiyunshan Pharmaceutical Factory, China
  • Pirenzepine Hydrochloride
    Koa Isei, Japan; Nichi-Iko Pharmaceutical, Japan; Sawai Seiyaku, Japan; Tatsumi Yakuhin, Japan
  • Pirepine
    Yu Sheng, Taiwan
  • Pizepine
    Yuan Chou, Taiwan
  • Ranclic
    Towa Yakuhin, Japan
  • Ranclic 10%
    Towa Yakuhin, Japan
  • Regastric
    Jinup, Taiwan
  • Stomazepin
    Taisho, Taiwan
  • Ulopine
    Panbiotic, Taiwan


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

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.