Skip to Content


In the US, Estropipate (estropipate systemic) is a member of the drug class estrogens and is used to treat Atrophic Urethritis, Atrophic Vaginitis, Hypoestrogenism, Oophorectomy, Osteoporosis, Postmenopausal Symptoms and Primary Ovarian Failure.

US matches:



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category


Chemical Name

Estra-1,3,5(10)-trien-17-one, 3-(sulfooxy)-, compd. wit piperazine (1:1)

Foreign Name

  • Estron 3-hydrogensulfat, Piperazinsalz (German)

Generic Names

  • Estropipate (OS: BAN)
  • Estropin (IS)
  • Piperazine Estrone Sulfate (IS)
  • Piperazine oestrone sulfate (IS)
  • Estropipate (PH: BP 2018, USP 41)

Brand Names

  • Estropipate
    Mylan, United States; Watson Pharmaceutical, United States
  • Ogen
    Pharmacia & Upjohn, United States


BANBritish Approved Name
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia 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.