Zopiclone > Impurities > 6

Structure Compound Pricing
Es-Zopiclone
CS-O-00230 > Impurities

Molecular Formula : C17H17ClN6O3   Molecular Weight: 388.81   CAS Number: 138729-47-2
Synonyms : (S)-Zopiclone;(5S)-6-H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate;(S)-(+)-6-(5-Chloro-2-pyridinyl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl-4-methyl-1-piperazinecarboxylate
Parent API : Zopiclone
USD 30.00 / 10mg
USD 46.00 / 25mg
USD 68.00 / 50mg
N-(5-Chloro-2-pyridinyl)-2-pyrazinecarboxamide
CS-T-51032 > Impurities

Molecular Formula : C10H7ClN4O   Molecular Weight: 234.64   CAS Number: 349125-10-6
Synonyms : N-xamide;N-(5-chloropyridin-2-yl)pyrazine-2-carboxamide
Parent API : Zopiclone
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Zopiclone EP impurity B
CS-O-31638 > Impurities

Molecular Formula : C11H7ClN4O2   Molecular Weight: 262.65   CAS Number: 43200-81-3
Synonyms : 6-(5-chloropyridin-2-yl)-7-hydroxy-7H-pyrrolo[3,4-b]pyrazin-5-one
Parent API : Zopiclone
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Zopiclone EP Impurity C
CS-P-00086 > Impurities

Molecular Formula : C11H7ClN4O   Molecular Weight: 246.66   CAS Number: 148891-53-6
Synonyms : RP 48497; 6-(5-Chloro-2-pyridinyl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one;Eszopiclone Impurity C.
Parent API : Zopiclone
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Zopiclone Impurity A
CS-P-00087 > Impurities

Molecular Formula : C17H17ClN6O4   Molecular Weight: 404.82   CAS Number: 43200-96-0
Synonyms : Zopiclone N-Oxide;(Rac)- Zopiclone N-oxide;Zopiclone Impurity A;eszopiclone impurity A;1-Piperazine-carboxylic acid 4-methyl-4-oxide 6-(5-chloro-pyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5yl ester;(5RS)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-Methylpiperazine-1-carboxylate 4-Oxide; Zopiclone Oxide;Zopiclone N-Oxide.
Parent API : Zopiclone
USD 426.00 / 10mg
USD 638.00 / 25mg
USD 958.00 / 50mg
R-Zopiclone
CS-O-31149 > Impurities

Molecular Formula : C17H17ClN6O3   Molecular Weight: 388.82   CAS Number: 138680-08-7
Synonyms : R-Zopiclone;(-)-Zopiclone;(R)-enantiomer of Zopiclone;R)-4-Methyl-6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo[3,4-b]pyrazin-5-yl-1-piperazinecarboxylic Acid;(R)-4-Methyl-6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo[3,4-b]pyrazin-5-yl-1-piperazinecarboxylic Acid; (-)-Zopiclone; ((-)-(5R)-6-(5- Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate)
Parent API : Zopiclone
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