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
More
Less

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)
More
Less

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.

More
Less

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
More
Less

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

More
Less

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

BOC Sciences
Tel
1-631-485-4226; 16314854226
Email
info@bocsci.com
Country
United States
ProdList
14059
Advantage
65
HBCChem, Inc.
Tel
+1-510-219-6317
Fax
+1-650-486-1361
Email
sales@hbcchem.com
Country
United States
ProdList
10658
Advantage
60
EMMX Biotechnology LLC
Tel
888-539-0666
Fax
888-539-0666
Email
info@emmx.com
Country
United States
ProdList
8449
Advantage
60
BOC Sciences
Tel
16314854226
Email
info@bocsci.com
Country
United States
ProdList
9926
Advantage
65
Cato Research Chemicals Inc.
Tel
020-81215950 4000-868-328
Email
customer@uwalab.com
Country
United States
ProdList
10413
Advantage
58
Aladdin Scientific
Tel
+1-833-552-7181
Email
sales@aladdinsci.com
Country
United States
ProdList
57511
Advantage
58
More
Less

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

Shanghai Aosiris new Material Technology 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 $3.00-1.00/kg
Min. Order
1kg
Purity
99.9%
Supply Ability
10 tons
Release date
2024-04-17
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

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


  • 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