Zopiclone N-oxide
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- $153 - $2464
- Product name: Zopiclone N-oxide
- CAS: 43200-96-0
- MF: C17H17ClN6O4
- MW: 404.81
- EINECS:641-896-9
- MDL Number:MFCD00871938
- Synonyms:RP 2975;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;Zopiclone N-Oxide(Mixture of diastereomers);RP 29753;Zopiclone N-Oxide (Eszopiclone Impurity A)(Mixture of Diastereomers);Zopiclone N-Oxide (Eszopiclone Impurity A) ;4-Methyl-1-piperazinecarboxylic acid 6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo[3,4-b]pyrazin-5-yl ester 4-oxide;Eszopiclone IMpurity A
20 prices
Selected condition:
Brand
- aablocks
- American Custom Chemicals Corporation
- Biosynth
- Chemenu
- ChemScene
- Sigma-Aldrich
- Usbiological
Package
- 1mg
- 2mg
- 5MG
- 10mg
- z3001000
- 25mg
- 50MG
- 100mg
- 250mg
- 500mg
- 1mL
- 20 mg
- Manufactureraablocks
- Product numberAA00DE20
- Product descriptionZopiclone N-oxide
- Packaging10mg
- Price$1179
- Updated2026-05-28
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAPI0000891
- Product descriptionZOPICLONE N-OXIDE 95.00%
- Packaging50MG
- Price$1732.5
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAPI0000891
- Product descriptionZOPICLONE N-OXIDE 95.00%
- Packaging5MG
- Price$756.25
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberIZ28786
- Product descriptionZopiclone N-oxide
- Packaging1mg
- Price$250
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberIZ28786
- Product descriptionZopiclone N-oxide
- Packaging5mg
- Price$987.6
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberIZ28786
- Product descriptionZopiclone N-oxide
- Packaging10mg
- Price$1580.1
- Updated2026-06-04
- Buy
- ManufacturerChemenu
- Product numberCM328442
- Product description[6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methyl-4-oxidopiperazin-4-ium-1-carboxylate 95%+
- Packaging500mg
- Price$1385
- Updated2026-05-26
- Buy
- ManufacturerChemenu
- Product numberCM328442
- Product description[6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methyl-4-oxidopiperazin-4-ium-1-carboxylate 95%+
- Packaging100mg
- Price$385
- Updated2026-05-26
- Buy
- ManufacturerChemenu
- Product numberCM328442
- Product description[6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methyl-4-oxidopiperazin-4-ium-1-carboxylate 95%+
- Packaging250mg
- Price$769
- Updated2026-05-26
- Buy
- ManufacturerChemScene
- Product numberCS-0019904
- Product descriptionZopiclone N-oxide
- Packaging1mg
- Price$325
- Updated2026-06-04
- Buy
- ManufacturerSigma-Aldrich
- Product numberZ-013
- Product descriptionZopiclone-N-oxide solution 100?μg/mL (Methanol with 1% 1 M HCl), ampule of 1?mL, certified reference material, Cerilliant?
- Packaging1mL
- Price$168
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product numberZ3001000
- Product descriptionZopiclone oxide European Pharmacopoeia (EP) Reference Standard
- Packagingz3001000
- Price$153
- Updated2024-03-01
- Buy
- ManufacturerSigma-Aldrich
- Product numberZ3001000
- Product descriptionZopiclone oxide European Pharmacopoeia (EP) Reference Standard
- Packaging20 mg
- Price$167
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product number1255861
- Product descriptionZopiclone-N-oxide solution United States Pharmacopeia (USP) Reference Standard
- Packaging10mg
- Price$1390
- Updated2026-04-30
- Buy
- ManufacturerUsbiological
- Product number292130
- Product descriptionZopiclone N-oxide (eszopiclone impurity A)
- Packaging25mg
- Price$1523
- Updated2026-06-03
- Buy
- ManufacturerUsbiological
- Product number292130
- Product descriptionZopiclone N-oxide (eszopiclone impurity A)
- Packaging50mg
- Price$2464
- Updated2026-06-03
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00DE20 | Zopiclone N-oxide | 10mg | $1179 | 2026-05-28 | Buy |
| American Custom Chemicals Corporation | API0000891 | ZOPICLONE N-OXIDE 95.00% | 50MG | $1732.5 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | API0000891 | ZOPICLONE N-OXIDE 95.00% | 5MG | $756.25 | 2021-12-16 | Buy |
| Biosynth | IZ28786 | Zopiclone N-oxide | 1mg | $250 | 2026-06-04 | Buy |
| Biosynth | IZ28786 | Zopiclone N-oxide | 5mg | $987.6 | 2026-06-04 | Buy |
| Biosynth | IZ28786 | Zopiclone N-oxide | 10mg | $1580.1 | 2026-06-04 | Buy |
| Chemenu | CM328442 | [6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methyl-4-oxidopiperazin-4-ium-1-carboxylate 95%+ | 500mg | $1385 | 2026-05-26 | Buy |
| Chemenu | CM328442 | [6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methyl-4-oxidopiperazin-4-ium-1-carboxylate 95%+ | 100mg | $385 | 2026-05-26 | Buy |
| Chemenu | CM328442 | [6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methyl-4-oxidopiperazin-4-ium-1-carboxylate 95%+ | 250mg | $769 | 2026-05-26 | Buy |
| ChemScene | CS-0019904 | Zopiclone N-oxide | 1mg | $325 | 2026-06-04 | Buy |
| Sigma-Aldrich | Z-013 | Zopiclone-N-oxide solution 100?μg/mL (Methanol with 1% 1 M HCl), ampule of 1?mL, certified reference material, Cerilliant? | 1mL | $168 | 2026-04-30 | Buy |
| Sigma-Aldrich | Z3001000 | Zopiclone oxide European Pharmacopoeia (EP) Reference Standard | z3001000 | $153 | 2024-03-01 | Buy |
| Sigma-Aldrich | Z3001000 | Zopiclone oxide European Pharmacopoeia (EP) Reference Standard | 20 mg | $167 | 2026-04-30 | Buy |
| Sigma-Aldrich | 1255861 | Zopiclone-N-oxide solution United States Pharmacopeia (USP) Reference Standard | 10mg | $1390 | 2026-04-30 | Buy |
| Usbiological | 292130 | Zopiclone N-oxide (eszopiclone impurity A) | 25mg | $1523 | 2026-06-03 | Buy |
| Usbiological | 292130 | Zopiclone N-oxide (eszopiclone impurity A) | 50mg | $2464 | 2026-06-03 | Buy |
Properties
Melting point :>140°C (dec.)
Flash point :9℃
storage temp. :2-8°C
solubility :Chloroform (Slightly, Heated), DMSO (Slightly), Methanol (Slightly, Heated, Sonicated)
form :liquid
pka :4.92±0.20(Predicted)
color :White to Light Brown
Major Application :clinical testing
InChI :InChI=1S/C17H17ClN6O4/c1-24(27)8-6-22(7-9-24)17(26)28-16-14-13(19-4-5-20-14)15(25)23(16)12-3-2-11(18)10-21-12/h2-5,10,16H,6-9H2,1H3
InChIKey :IPTIKKTXLHVRKN-UHFFFAOYSA-N
SMILES :N1(C(OC2C3=NC=CN=C3C(=O)N2C2=NC=C(Cl)C=C2)=O)CC[N+]([O-])(C)CC1
Flash point :9℃
storage temp. :2-8°C
solubility :Chloroform (Slightly, Heated), DMSO (Slightly), Methanol (Slightly, Heated, Sonicated)
form :liquid
pka :4.92±0.20(Predicted)
color :White to Light Brown
Major Application :clinical testing
InChI :InChI=1S/C17H17ClN6O4/c1-24(27)8-6-22(7-9-24)17(26)28-16-14-13(19-4-5-20-14)15(25)23(16)12-3-2-11(18)10-21-12/h2-5,10,16H,6-9H2,1H3
InChIKey :IPTIKKTXLHVRKN-UHFFFAOYSA-N
SMILES :N1(C(OC2C3=NC=CN=C3C(=O)N2C2=NC=C(Cl)C=C2)=O)CC[N+]([O-])(C)CC1
Safety Information
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Description
A metabolite of ZopicloneMore related product prices
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one Eszopiclone 2-Amino-5-chloropyridine 6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl piperazine-1-carboxylate hydrochloride Zopiclone N-(5-Chloro-2-pyridinyl)-3-(hydroxyMethyl)-2-pyrazinecarboxaMide N-Boc-N-desmethyl Zopiclone 6-(5-Chloro-2-pyridyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione N,N'-Dimethylpiperazine 4744-50-7 39539-66-7 Zonisamide N,N-Dimethylformimidamide 19757-97-2 2-bromo-3-methylacetophenone 6-Methyl-2-(4-methylphenyl)imidazol[1,2-a]-pyridine-3-acetic acid 3-(4-Methylbenzoyl)propionic acid 7-methyl-2-(p-tolyl)imidazo[1,2-a]pyridine 6-Methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine 4-Methyl-N-(5-Methyl-2-pyridinyl)benzaMide (ZolpideM IMpurity) 2'-METHYLPHENACYL BROMIDERelated product price
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6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
$12.7-1960 -
Eszopiclone
$82-2000 -
2-Amino-5-chloropyridine
$4-2501
Suppliers and manufacturers
Shandong Boluoda Biological Technology Co., Ltd.
Changzhou Xianglong Pharmaceutical Technology Co., LTD
J & K SCIENTIFIC LTD.
Chemsky(shanghai)International Co.,Ltd.
Artis Chemistry (Shanghai) Co. Ltd.
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Cato Research Chemicals Inc.
Quality Control Solutions Ltd.
Shanghai Kewel Chemical Co., Ltd.
Sigma-Aldrich






