PRODUCT CATALOG
← Catalog
Eszopiclone
Human API
Characterised impurities
| Impurity | Chemical name | Pharmacopoeia |
|---|---|---|
| “ CCPC” Impurity II | 3-(5-chloropyridin-2- ylcarbamoyl)pyrazin e-2-carboxylic acid N-(5-chloropyridin- 2-yl)-3- (hydroxymethyl)pyra zine-2-carboxamide | IHT IHT |
| Impurity III | - | IHT |
| Impurity IV | bis(4- methylpiperazin-1- yl)methanone | IHT |
| Impurity IX | 7-Hydroxy-6- (pyridine-2-yl)-6,7- dihydro-5H- pyrrolo[3,4- b]pyrazin-5-one | IHT |
| “R-Isomer” of Zopiclone | (+)-(5R)-6-(5- Chloropyridin-2yl)-7- oxo-6,7-dihydro- 5N- pyrrolol[3,4,b]pyrazi n-5-yl-4-methyl Piperazine carboxylate | IHT |
| Impurity “B” | RS)-6-(5- chloropyridin-2- yl)-7-hydroxy-6,7- dihydro-5H- pyrrolo[3,4- b]pyrazin-5-one (CPHP) | EP |
| Impurity “A” | 6-(5-Chloro-2- Pyridin-2-yl)-6,7- dihydro-7-oxo-5H- Pyrrolo-[3,4-b] Pyrazin-5-yl-4- methylpiperazine-1- carboxylate 4-oxide (Zopiclone n-oxide) 6-(5-Chloropyridine- 2-yl)-5H- | USP |
| "CPDO" Impurity “C” | pyrrolol[3,4- b]pyrazine-5,7(6H)- dione 6-(5-chloropyridin-2- yl)-6,7-dihydro-5H- pyrrolo[3,4- b]pyrazin-5-one | IHT BP/EP |
| "PMC" impurity "PDCA" impurity Des methyl Impurity “A” | Pyrazine-2- carboxylic acid Furo[3,4-b]pyrazine- 5,6-dione 6-(5-chloropyridin-2- yl)-7-oxo-6,7- dihydro-5H- pyrrolo[3,4- b]pyrazin-5-yl (4-chlorophenyl)(4- hydroxyphenyl)meth anone | IHT IHT IHT USP/B P/EP |
| Impurity “B” | 2-[4-(4- Chlorobenzoyl)phen oxy]-2- methylpropanoic acid; Fenofibric acid | EP |
Need a quantity, a CoA, or a compound not shown here?
Enquire about Eszopiclone →