Letrozole

In the US, Letrozole (letrozole systemic) is a member of the following drug classes: aromatase inhibitors, hormones/antineoplastics and is used to treat Breast Cancer, Breast Cancer - Adjuvant, Breast Cancer - Metastatic and Female Infertility.

US matches:

UK matches:

Scheme

Rec.INN

ATC (Anatomical Therapeutic Chemical Classification)

L02BG04

CAS registry number (Chemical Abstracts Service)

0112809-51-5

Chemical Formula

C17-H11-N5

Molecular Weight

285

Therapeutic Category

Antineoplastic agent: Nonsteroidal aromatase inhibitor

Chemical Name

Benzonitrile, 4,4'-(1H-1,2,4-triazol-1-ylmethylene)bis-

Foreign Names

  • Letrozolum (Latin)
  • Letrozol (German)
  • Letrozole (French)
  • Letrozol (Spanish)

Generic Names

  • Letrozole (OS: USAN, BAN)
  • CGS 20267 (IS: Ciba-Geigy)
  • Letrozole (PH: BP 2011, Ph. Eur. 7, USP 34)
  • Letrozolum (PH: Ph. Eur. 7)

Brand Names

International Drug Name Search

Glossary

TermDefinition
BANBritish Approved Name
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Click for further information on drug naming conventions and International Nonproprietary Names.

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