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CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antihypertensive agent

Diuretic agent: Benzothiadiazide

Chemical Names

2H-1,2,4-Benzotiadiazine-7-sulfonamide, 6-chloro-3,4-dihydro-3-(2-metylpropyl)-, 1,1-dioxide (USAN)

3-Isobutyl-6-chloro-3,4-dihydro-2H-1,2,4-benzotiadiazine-7-sulfonamide 1,1-dioxide (WHO)

6-Chloro-3,4-dihydro-3-(2-metylpropyl)-2H-1,2,4-benzotiadiazine-7-sulfonamide 1,1-dioxide

6-Chloro-3,4-dihydro-3-isobutyl-2H-1,2,4-benzotiadiazine-7-sulfonamide 1,1-dioxide (USAN)

Foreign Names

  • Butizidum (Latin)
  • Butizid (German)
  • Butizide (French)
  • Butizida (Spanish)

Generic Names

  • Buthiazide (OS: USAN, DCF)
  • Hydrochlobuthiazide (IS)
  • Isobutylhydrochlorothiazide (IS)
  • S-3500 (IS)
  • Su-6187 (IS)
  • Thiabutazide (IS)

Brand Names

  • Aldactone-Saltucin forte (Butizide and Spironolactone)
    Cheplapharm Arzneimittel, Austria
  • Aldazide (Butizide and Spironolactone)
    Soho, Indonesia
  • Kadiur (Butizide and Canrenoate)
    Therabel Gienne Pharma, Italy

International Drug Name Search


DCFDénomination Commune Française
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.