Catalogue Number: | Z-0611 |
Compound Name: | Zopiclone Impurity 4 Sodium Salt |
Synonyms: | 3-formylpyrazine-2-carboxylate, sodium salt (1:1) |
CAS#: | 864920-32-1 |
Alternate CAS#: | 865061-50-3 (free acid) |
Molecular Formula: | C6H3N2O3. Na |
Molecular Weight: | 151.10 22.99 |
Zopiclone EP Impurity A (Eszopiclone USP Related Compound A, Zopiclone N-Oxide)
CAS No. 43200-96-0
C17H17ClN6O4
M.W. 404.82