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

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;Eszopiclone Imp.B;4-b]pyrazin-5-one;Eszopiclone IMpurity B;Zopiclone intermediate;Zopiclone intermediates;Dexzopiclone impurity B
CBNumber:
CB5176517
Molecular Formula:
C11H7ClN4O2
Molecular Weight:
262.65
MDL Number:
MFCD02684321
MOL File:
43200-81-3.mol
Last updated:2024-04-17 18:50:11

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

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)
FDA UNII 68396623QX

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H319
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P

6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one price More Price(12)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich Y0001822 Zopiclone impurity B European Pharmacopoeia (EP) Reference Standard 43200-81-3 y0001822 $153 2024-03-01 Buy
Matrix Scientific 167910 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one 43200-81-3 5g $241 2021-12-16 Buy
Matrix Scientific 167910 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one 43200-81-3 25g $395 2021-12-16 Buy
Matrix Scientific 167910 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one 43200-81-3 1g $85 2021-12-16 Buy
AK Scientific V0459 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one 43200-81-3 5g $960 2021-12-16 Buy
Product number Packaging Price Buy
Y0001822 y0001822 $153 Buy
167910 5g $241 Buy
167910 25g $395 Buy
167910 1g $85 Buy
V0459 5g $960 Buy

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

Chemical Properties

Yellow Crystalline Powder

Uses

Eszopiclone Impurity B.

Uses

Eszopiclone intermediate

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

Global( 178)Suppliers
Supplier Tel Email Country ProdList Advantage
Sigma Audley
+86-15937194204 +86-18126314766 nova@sh-teruiop.com China 493 58
Beijing Cooperate Pharmaceutical Co.,Ltd
010-60279497 sales01@cooperate-pharm.com CHINA 1803 55
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21639 55
Hangzhou FandaChem Co.,Ltd.
+8615858145714 FandaChem@Gmail.com China 9220 55
career henan chemical co
+86-0371-86658258 +8613203830695 sales@coreychem.com China 29886 58
NINGBO INNO PHARMCHEM CO., LTD.
13867897135 sales@nbinno.com CHINA 923 58
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28172 58
Jinan Finer Chemical Co., Ltd
+86-531-88989536 +86-15508631887 sales@finerchem.com China 2964 58
HubeiwidelychemicaltechnologyCo.,Ltd
18627774460 faith@widelychemical.com CHINA 742 58
Chongqing Chemdad Co., Ltd
+86-023-6139-8061 +86-86-13650506873 sales@chemdad.com China 39894 58

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

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one pictures 2024-01-16 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
43200-81-3
US $45.00-35.00 / kg 1kg 99.8% 200tons/year Sigma Audley
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one pictures 2022-10-11 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
43200-81-3
US $0.00-0.00 / kg 1kg 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one pictures 2019-07-06 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
43200-81-3
US $1.00 / KG 1KG 98% 100KG Career Henan Chemical Co
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 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 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 Zopiclone intermediate Zopiclone Impurity 2 (Zopiclone EP Impurity B) 6-(5-chloro-2-pyridinyl)-7-hydroxy-7H-pyrrolo[3,4-b]pyrazin-5-one 6-(5-chloro-2-pyridyl)-7-hydroxy-7H-pyrrolo[3,4-b]pyrazin-5-one Zopiclone impurity B (Y0001822) 6-(5-chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-... 5H-Pyrrolo[3,4-b]pyrazin-5-one, 6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-hydroxy- Dexzopiclone impurity B Zopiclone EP Impurity B 7-dihydro-7-hydroxy-5H-pyrrolo[3 6-(5-Chloro-2-pyridyl)-6 4-b]pyrazin-5-one 6-(5-chloropyridin-2-yl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one 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