Zopiclone-impurities | Pharmaffiliates

zopiclone and its Impurities

Zopiclone is used for the short-term treatment of insomnia where sleep initiation or sleep maintenance are prominent symptoms. It is sold under the brand name Imovane.Reference standards of Zopiclone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 26 results for zopiclone Impurities
PA 26 09000

Zopiclone - API

Zopiclone


  • Catalogue No.:PA 26 09000

  • CAS :

    43200-80-2

  • Molecular Formula : C17H17ClN6O3

  • Molecular Weight : 388.81

PA 26 09010

Zopiclone - Impurity A

Zopiclone N-Oxide


  • Catalogue No.:PA 26 09010

  • CAS :

    43200-96-0

  • Molecular Formula : C17H17ClN6O4

  • Molecular Weight : 404.81

PA 26 09020

Zopiclone - Impurity B

6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one


  • Catalogue No.:PA 26 09020

  • CAS :

    43200-81-3

  • Molecular Formula : C11H7ClN4O2

  • Molecular Weight : 262.65

PA 26 09510

N-Boc-N-desmethyl Zopiclone

N-Boc-N-desmethyl Zopiclone


  • Catalogue No.:PA 26 09510

  • CAS :

    1076199-62-6

  • Molecular Formula : C21H23ClN6O5

  • Molecular Weight : 474.9

PA 26 09520

N-Desmethyl Zopiclone Hydrochloride

N-Desmethyl Zopiclone Hydrochloride


  • Catalogue No.:PA 26 09520

  • CAS :

    59878-63-6

  • Molecular Formula : C16H16Cl2N6O3

  • Molecular Weight : 411.24

PA 26 09530

(S)-(+)-Zopiclone N-Oxide

(S)-(+)-Zopiclone N-Oxide


  • Catalogue No.:PA 26 09530

  • CAS :

    151851-70-6

  • Molecular Formula : C17H17ClN6O4

  • Molecular Weight : 404.81

PA 26 09540

(R)-Zopiclone

(R)-Zopiclone


  • Catalogue No.:PA 26 09540

  • CAS :

    138680-08-7

  • Molecular Formula : C17H17ClN6O3

  • Molecular Weight : 388.81

PA 26 09550

6-(5-Chloropyridin-2-yl)- 6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5,7-dione

6-(5-Chloropyridin-2-yl)- 6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5,7-dione


  • Catalogue No.:PA 26 09550

  • CAS :

    43200-82-4

  • Molecular Formula : C11H5ClN4O2

  • Molecular Weight : 260.64

PA 26 09560

3-(5-Chloropyridine-2-carbamoyl)-2-pyrazinecarboxylic Acid

3-(5-Chloropyridine-2-carbamoyl)-2-pyrazinecarboxylic Acid


  • Catalogue No.:PA 26 09560

  • CAS :

    43200-83-5

  • Molecular Formula : C11H7ClN4O3

  • Molecular Weight : 278.65

PA 26 09570

5-(Chloropyridine-2-yl-carbamoyl)pyrazine

5-(Chloropyridine-2-yl-carbamoyl)pyrazine


  • Catalogue No.:PA 26 09570

  • CAS :

    349125-10-6

  • Molecular Formula : C10H7ClN4O

  • Molecular Weight : 234.64

PA 26 09580

2-Amino-5-chloro-pyridine

2-Amino-5-chloro-pyridine


  • Catalogue No.:PA 26 09580

  • CAS :

    1072-98-6

  • Molecular Formula : C5H5ClN2

  • Molecular Weight : 128.56

PA 26 09590

4-Methylpiperazine-1-carboxylic Acid

4-Methylpiperazine-1-carboxylic Acid


  • Catalogue No.:PA 26 09590

  • CAS :

    58226-19-0

  • Molecular Formula : C6H12N2O2

  • Molecular Weight : 144.17

PA STI 013930

N-Boc-N-desmethyl Zopiclone-d8

N-Boc-N-desmethyl Zopiclone-d8


  • Catalogue No.:PA STI 013930

  • CAS :

    1246820-47-2

  • Molecular Formula : C21H15D8ClN6O5

  • Molecular Weight : 482.95

PA STI 028910

N-Desmethyl Zopiclone-d8 Dihydrochloride (See also D296771, HCl)

N-Desmethyl Zopiclone-d8 Dihydrochloride (See also D296771, HCl)


  • Catalogue No.:PA STI 028910

  • CAS :

    1189805-43-3

  • Molecular Formula : C16H9D8Cl3N6O3

  • Molecular Weight : 455.75

PA STI 087930

Zopiclone-d8

Zopiclone-d8


  • Catalogue No.:PA STI 087930

  • CAS :

    1215518-83-4

  • Molecular Formula : C17H9D8ClN6O3

  • Molecular Weight : 396.86

PA STI 087940

Zopiclone-d8 N-Oxide (Mixture of Diastereomers)

Zopiclone-d8 N-Oxide (Mixture of Diastereomers)


  • Catalogue No.:PA STI 087940

  • CAS :

    1215741-18-6

  • Molecular Formula : C17H9D8ClN6O4

  • Molecular Weight : 412.86

PA EPY0001822

Zopiclone Impurity B (Y0001822)

Zopiclone Impurity B (Y0001822)


  • Catalogue No.:PA EPY0001822

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPZ3000000

Zopiclone -* psy (Z3000000)

Zopiclone -* psy (Z3000000)


  • Catalogue No.:PA EPZ3000000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPZ3001000

Zopiclone oxide (Z3001000)

Zopiclone oxide (Z3001000)


  • Catalogue No.:PA EPZ3001000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1729118

Zopiclone R-Isomer CIV ((-)-(5R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazi (1729118)


  • Catalogue No.:PA USP1729118

  • CAS :

    43200-80-2

  • Molecular Formula :

  • Molecular Weight : NA

PA BP812RB

zopiclone (812RB)

zopiclone (812RB)


  • Catalogue No.:PA BP812RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PAI 26 002210

(R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate (S)-2-hydroxysuccinate

(R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate (S)-2-hydroxysuccinate


  • Catalogue No.:PAI 26 002210

  • CAS :

    NA

  • Molecular Formula : C21H23ClN6O8

  • Molecular Weight : 522.90

PA 26 0091000

N-Desmethyl zopiclone hydrochloride

N-Desmethyl zopiclone hydrochloride


  • Catalogue No.:PA 26 0091000

  • CAS :

    1216659-29-8

  • Molecular Formula : C16H16Cl2N6O3

  • Molecular Weight : 411.24

PA 26 0091001

7-Chloromethyloxy-carbonyloxy-6-(5-chloropyridin-2-yl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one

7-Chloromethyloxy-carbonyloxy-6-(5-chloropyridin-2-yl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one


  • Catalogue No.:PA 26 0091001

  • CAS :

    508169-18-4

  • Molecular Formula : C13H8Cl2N4O4

  • Molecular Weight : 355.13

PA STI 088845

Zopiclone-D4

Zopiclone-D4


  • Catalogue No.:PA STI 088845

  • CAS :

    1435933-78-0

  • Molecular Formula : C17H13D4ClN6O3

  • Molecular Weight : 392.84

PA STI 088870

N-Desmethyl Zopiclone-d8 Hydrochloride

N-Desmethyl Zopiclone-d8 Hydrochloride


  • Catalogue No.:PA STI 088870

  • CAS :

    1189719-74-1

  • Molecular Formula : C16H8D8Cl2N6O3

  • Molecular Weight : 419.29