Zopiclone Impurity 7
CAS Number: 106-58-1
Molecular Formula: C6H14N2
Molecular Weight: 114.19

Zopiclone Impurity 6
CAS Number: 39539-66-7
Molecular Formula: C6H11ClN2O
Molecular Weight: 162.62

Zopiclone Impurity 5
CAS Number: 43200-83-5
Molecular Formula: C11H7ClN4O3
Molecular Weight: 278.65

Zopiclone Impurity 4
CAS Number: 4744-50-7
Molecular Formula: C6H2N2O3
Molecular Weight: 150.09

Zopiclone Impurity 3
CAS Number: 43200-82-4
Molecular Formula: C11H5ClN4O2
Molecular Weight: 260.64

Zopiclone Impurity 2
CAS Number: 1348046-61-6
Molecular Formula: C17H18N6O3
Molecular Weight: 354.37

Zopiclone Impurity 1 Sodium Salt
CAS Number: 864920-32-1
Molecular Formula: C6H3N2O3. Na
Molecular Weight: 151.10 ：22.99

N-Desmethyl Zopiclone HCl
CAS Number: 1216659-29-8
Molecular Formula: C16H15ClN6O3. HCl
Molecular Weight: 374.79 ：36.46