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

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

Product Name
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
CAS No.
43200-81-3
Chemical Name
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
Synonyms
6-(5-chloropyridin-2-yl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one;ZOPII;RP 29307;Zopiclone imp B;4-b]pyrazin-5-one;Eszopiclone Imp.B;Zopiclone intermediate;Eszopiclone IMpurity B;Zopiclone intermediates;Dexzopiclone impurity B
CBNumber
CB5176517
Molecular Formula
C11H7ClN4O2
Formula Weight
262.65
MOL File
43200-81-3.mol
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6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one Property

Melting point:
240.5-241.50C
Boiling point:
525.2±50.0 °C(Predicted)
Density 
1.653±0.06 g/cm3(Predicted)
storage temp. 
2-8°C
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
8.62±0.20(Predicted)
color 
Off-White to Pale Beige
CAS DataBase Reference
43200-81-3(CAS DataBase Reference)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
Y0001822
Product name
Zopiclone impurity B
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
y0001822
Price
$153
Updated
2024/03/01
Matrix Scientific
Product number
167910
Product name
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
Packaging
5g
Price
$241
Updated
2021/12/16
Matrix Scientific
Product number
167910
Product name
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
Packaging
25g
Price
$395
Updated
2021/12/16
Matrix Scientific
Product number
167910
Product name
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
Packaging
1g
Price
$85
Updated
2021/12/16
AK Scientific
Product number
V0459
Product name
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
Packaging
5g
Price
$960
Updated
2021/12/16
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6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one Chemical Properties,Usage,Production

Chemical Properties

Yellow Crystalline Powder

Uses

Eszopiclone intermediate

Uses

Eszopiclone Impurity B.

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

Raw materials

Preparation Products

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

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

Sigma Audley
Product
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one 43200-81-3
Price
US $45.00-35.00/kg
Min. Order
1kg
Purity
99.8%
Supply Ability
200tons/year
Release date
2024-01-16
Henan Aochuang Chemical Co.,Ltd.
Product
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one 43200-81-3
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1Ton
Release date
2022-10-10
Career Henan Chemical Co
Product
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one 43200-81-3
Price
US $1.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
100KG
Release date
2018-08-20

43200-81-3, 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-oneRelated Search:

Eszopiclone N-(5-Chloro-2-pyridinyl)-3-(hydroxyMethyl)-2-pyrazinecarboxaMide RP 48497 (Eszopiclone Impurity C) N-Methyl-2-pyrrolidone CHLOROPHOSPHONAZO III 3-Hydroxypyridine Polyvinylpyrrolidone Povidone iodine N-(5-Chloro-2-pyridinyl)-2-pyrazinecarboxaMide (Zopiclone IMpurity) 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-OXIDE Zopiclone Impurity 10 Zopiclone Impurity 18 Zopiclone Impurity 3 Deschloro-Zopiclone N,N'-Dimethylpiperazine 2,3-Pyrazinecarboxylic anhydride

  • 6-(5-CHLOROPYRIDIN-2-YL)-5-HYDROXY-7-OXO-5,6-DIHYDROPROLO(3,4B)PYRAZINE
  • 6-(5-CHLORO-PYRIDIN-2-YL)-7-HYDROXY-6,7-DIHYDRO-PYRROLO3,4-BPYRAZIN-5-ONE
  • 6-(5-chloro-2-pyridyl)-7-hydroxy-7H-pyrrolo[3,4-b]pyrazin-5-one
  • 6-(5-chloro-2-pyridinyl)-7-hydroxy-7H-pyrrolo[3,4-b]pyrazin-5-one
  • Zopiclone Impurity 2 (Zopiclone EP Impurity B)
  • Zopiclone intermediate
  • 4-b]pyrazin-5-one
  • 6-(5-Chloro-2-pyridyl)-6
  • 7-dihydro-7-hydroxy-5H-pyrrolo[3
  • Zopiclone EP Impurity B
  • 6-(5-chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
  • 6-(5-Chloropyrid-2-yl)-5-hydroxy-7-oxo-5,6-dihydro-pyrrolo-(3,4b) Pyrazime
  • Zopiclone6-(5-Chloropyrid-2-Yl)-5-Hydroxy-7-Oxo-6,7-Dihydro-5H-Pyrrolo-[3,4-B]-Pyrazine
  • 6-(5-Chloro-2-pyridin-2-yl)-7-hydroxy-6,7-dihydro-pyrrolo[3,4-b]pyrazin-5-one
  • Intermediate for Zopiclone II
  • 6-(5-Chloro-2-pyridin-2-yl)-7-hydroxy-6,7-dihydro-pyrrolo[3,4-β]pyrazin-5-one
  • 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-β]pyrazin-5-one
  • 6-(5-Chloro-2-pyridinyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
  • 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one [Eszopiclone Impurity B]
  • 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one (Zopiclone Impurity)
  • 6-(5-Chloro-2-pyperidinyl)-6,7-dihydro-7-hydroxy-5H-Pyrrolo[3,4-b]pyrazin-5-one
  • [Eszoplicone IMpurity B]
  • RP 29307
  • Zopiclone interMediate II
  • ZOPII
  • 6-(5-chloropyridin-2-yl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one
  • Zopiclone intermediates
  • 6-(5-CHLORO-2-PYRIDYL)-6,7-DIHYDRO-7-HYDROXY-5H-PYRROLOL(3,4-B)PYRAZIN-5-ONE
  • 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]
  • Eszopiclone IMpurity B
  • Eszopiclone Imp.B
  • Dexzopiclone impurity B
  • 5H-Pyrrolo[3,4-b]pyrazin-5-one, 6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-hydroxy-
  • 6-(5-chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-...
  • Zopiclone impurity B (Y0001822)
  • 6-(5-Chloro-2-pyridyl)-6,7-dihydro-
  • Zopiclone imp B
  • 6-(5-Chloro-2-pyridyl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one
  • 6-(5-Chloropyrid-2-yl)-5-hydroxy-7-oxo-5, 6-dihydropyrrolo [3, 4-b] pyrazine?Intermediate
  • 6-(5-chloro-2-pyridinyl)-6, 7-dihydro-7-hydroxy-5H-pyrrolo [3, 4-b] pyrazine-5-one
  • 43200-81-3
  • Aromatics Compounds
  • Aromatics
  • Heterocycles
  • Intermediates & Fine Chemicals
  • Pharmaceuticals