Compound Name: Zopiclone EP Impurity B

Synonyms: 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one; (7RS)-6-(5-Chloropyridin-2-yl)-7-hydroxy-6,7- dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one;

CAS Number: 43200-81-3

Molecular Formula: C11H7ClN4O2

Molecular Weight: 262.65

Cat. Number: ZOP1002