C11H7ClN4O
246.65 g/mol
APIWarning
Zopiclone specified impurity C
CAS148891-53-6
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Zopiclone specified impurity C is a pharmaceutical impurity reference standard used in quality control during the manufacturing of zopiclone. This compound is chemically defined as this compound.
reference standard for pharmaceutical impurity testingquality control in drug manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 148891-53-6
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Referencesame scaffold
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Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H361Suspected of damaging fertility or the unborn child
Identifiers
IUPAC Name
6-(5-chloro-2-pyridinyl)-7H-pyrrolo[3,4-b]pyrazin-5-one
InChIKey
ZWMNDASTKOEZHE-UHFFFAOYSA-N
SMILES
C1C2=NC=CN=C2C(=O)N1C3=NC=C(C=C3)Cl
Synonyms (12)
- 6-(5-Chloropyridin-2-yl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one; Zopiclone Imp. C (EP); Zopiclone Impurity C
- ZOPICLONE IMPURITY C (EP IMPURITY)
- Zopiclone EP Impurity C
- Eszopiclone Impurity C
- ZOPICLONE IMPURITY C