Anodyne

Zopiclone
Generated by the Chemistry Development Kit (http://github.com/cdk)
Salts
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Zopiclone hydrochloride
Generated by the Chemistry Development Kit (http://github.com/cdk)
Molecular structure via molpic based on CDK
Physical properties
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388.8 g/mol [1]
Melting point178 °C [1]
Solubility>58.3 [ug/mL] (The mean of the results at pH 7.4) [1]
0.5 [1]
Structural Identifiers
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C17H17ClN6O3 [1]
[6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methylpiperazine-1-carboxylate [1]
CN1CCN(CC1)C(=O)OC2C3=NC=CN=C3C(=O)N2C4=NC=C(C=C4)Cl [1]
InChI=1S/C17H17ClN6O3/c1-22-6-8-23(9-7-22)17(26)27-16-14-13(19-4-5-20-14)15(25)24(16)12-3-2-11(18)10-21-12/h2-5,10,16H,6-9H2,1H3 [1]
InChIKeyGBBSUAFBMRNDJC-UHFFFAOYSA-N [1]
Toxicity
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Rat:
- oral: 827 mg/kg
- intraperitoneal: 771 mg/kg
- subcutaneous: 540 mg/kg
- intravenous: 280 mg/kg
- intramuscular: 295 mg/kg
Mouse:
- oral: 2174 mg/kg
- intraperitoneal: 1325 mg/kg
- subcutaneous: 888 mg/kg
- intravenous: 321 mg/kg
- intramuscular: 541 mg/kg

Zopiclone

Zopiclone (also known as Imovane, Zimovane, Amoban, Zopiclona, Zopiclonum, Ximovan, RP-27267, RP 27267, Zimovane LS or Zileze 7.5) is a substance of the racetam class.

Chemistry

Salts []

Zopiclone is typically found in the form of its hydrochloride salt.

 []

Zopiclone is a racemic mixture of the

Stereoisomers
(R)-ZopicloneGenerated by the Chemistry Development Kit (http://github.com/cdk)
(S)-ZopicloneGenerated by the Chemistry Development Kit (http://github.com/cdk)
Anodyne Usernotes
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magnus / Zopiclone via Oral -

See also []

External links []

References []

  1. National Center for Biotechnology Information. PubChem Compound Summary for CID 5735, Zopiclone. Accessed September 1, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/5735

  2. U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Zopiclone. UNII: 03A5ORL08Q. Global Substance Registration System. Accessed September 1, 2025. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/03A5ORL08Q