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In the US, Eszopiclone (eszopiclone systemic) is a member of the drug class miscellaneous anxiolytics, sedatives and hypnotics and is used to treat Insomnia.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Hypnotic agent

Chemical Names

(+)-(5S)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl-4-metylpiperazine-1-carboxylate (WHO)

(S)-6-(5-Chlorpyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-metylpiperazin-1-carboxylat (IUPAC)

1-Piperazinecarobxylic acid,4-metyl-,(5S)-6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo[3,4-b]pyrazin-5-yl ester (USAN)

4-métylpipérazine-1-carboxylate de (5S)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yle (WHO)

Foreign Names

  • Eszopiclonum (Latin)
  • Eszopiclon (German)
  • Eszopiclone (French)
  • Eszopiclona (Spanish)

Generic Names

  • Eszopiclone (OS: USAN, JAN)
  • (+)-Zopiclone (IS)
  • (S)-Zopiclone (IS)
  • Esopiclone (IS)
  • Estorra (Sepracor) (IS)
  • Zopiclone derivative (IS)
  • Eszopiclone (PH: USP 41)

Brand Names

  • 8 Horas
    Elea, Argentina
  • ES-Somnogama +
    GAMA, Georgia
  • Eszop
    Laboratorios Silesia, Chile
  • Eszopiclone
    Aurobindo Pharma USA, United States; Dr. Reddy's, United States; Glenmark Generics, United States; Lupin, United States; Macleods, United States; Mylan, United States; Orchid Healthcare, United States; Sun Pharma, United States; Teva, United States; West-Ward, United States
  • Exopil
    ITF - Labomed Farmaceutica, Chile
  • Fulnite
    Sun, India
  • Inductal
    Roemmers, Argentina
  • Isoklon
    Tecnoquimicas, Colombia
  • Lunesta
    Eisai, Japan; Sunovion, United States
  • Lunox 2
    Gautier, Uruguay
  • Lunox 3
    Gautier, Uruguay
  • Miapax
    Casasco, Argentina
  • Neogaival
    Roemmers, Uruguay; Roemmers Centroamérica, Guatemala; Roemmers Centroamérica, Honduras; Roemmers Centroamérica, Nicaragua; Roemmers Centroamérica, Panama; Roemmers Centroamérica, El Salvador
  • Neozetix
    Recalcine, Ecuador
  • Night Calm
    Medizen, Egypt
  • Nirvan
    Laboratorio Saval, Chile
  • Nopric
    ABL Pharma, Peru
  • Noptic
    ABL Pharma, Peru; Laboratorios Andromaco, Chile
  • Novo Insomnium
    Gador, Argentina
  • Orizon 2
    Eticos, Paraguay
  • Orizon 3
    Eticos, Paraguay
  • Plessir
    Productos Farmaceuticos Medipharm, Chile
  • Sanilent
    Instituto Sanitas, Chile
  • Siprax 1mg
    Urufarma, Uruguay
  • Siprax 2mg
    Urufarma, Uruguay
  • Siprax 3mg
    Urufarma, Uruguay
  • Sleepil
    Aristopharma, Bangladesh
  • Sominex
    Eskayef, Bangladesh
  • Sono
    Acme, Bangladesh
  • Valnoc
    Abbott, Colombia; Drugtech, Chile; Drugtech, Peru
  • Wen Fei
    Tasly Group, China
  • Zopilone
    Incepta, Bangladesh
  • Zopinom
    Laboratorio Chile, Chile
  • Zopinon
    Laboratorio Chile, Chile
  • Zoplimax
    Garmisch, Colombia


IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
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.