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6-(5-Chloropyrid-2yl) 5-hydroxy-7-oxo-5,6-dihydropyrrolo-[3,4-b]-pyrazine

BGC Id:	523142934285
CAS No:	43200-81-3
Synonyms:	rp 29307 ; zopii ; eszopiclone impurity b ; eszopiclone imp.b ; [eszoplicone impurity b] ; 6-(5-chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5h-pyrrolo[3,4-b] ; zopiclone intermediate ii ; 6-(5-chloro-pyridin-2-yl)-7-hydroxy-6,7-dihydro-pyrrolo3,4-bpyrazin-5-one ; intermediate for zopiclone ii ; 6-(5-chloropyridin-2-yl)-5-hydroxy-7-oxo-5,6-dihydroprolo(3,4b)pyrazine
Molecular Formula:	C11H7ClN4O2
Molecular Weight:	262.65
EINECS:	256-139-4

2025 - The most valued supplier

The following 2 notable providers have been checked and can be recommended.

Hangzhou Keying Chem

BuGuCh & Partners

What other providers are available for CAS 43200-81-3?

The last intensive check and update was carried out on 2025/05/30.

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Synonyms:

rp 29307 ; zopii ; eszopiclone impurity b ; eszopiclone imp.b ; [eszoplicone impurity b] ; 6-(5-chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5h-pyrrolo[3,4-b] ; zopiclone intermediate ii ; 6-(5-chloro-pyridin-2-yl)-7-hydroxy-6,7-dihydro-pyrrolo3,4-bpyrazin-5-one ; intermediate for zopiclone ii ; 6-(5-chloropyridin-2-yl)-5-hydroxy-7-oxo-5,6-dihydroprolo(3,4b)pyrazine

CAS:

43200-81-3

EINECS:

256-139-4

Molecular Formula:

C11H7ClN4O2

MDL:

MFCD02684321

Properties

Molecular Weight:

262.65 g·mol−1

Density:

1.65 g/cm³ (Predicted)

Melting point:

240.5-241.50C

Boiling point:

525.24° C at 760 mmHg (Predicted)

Suppliers

Hangzhou Keying Chem Co., Ltd.

Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. We provide 2,7-Dimethoxynaphthalene as well. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical, chemical and biological service. After years of development, our company has accumulated abundant products resources in local China and international market which increasingly satisfy development requirements of customers. The p ...

Country: P.R.China Phone: +86-571-85378921 Telefax: +86-571-85378913

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BuGuCh & Partners

Company type: Producer

Country: Germany

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

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Safety Information

Hazard Classes:

Storage temperature:

-20 °C Freezer

What other providers are available for CAS 43200-81-3?

In addition to the providers presented here for 6-(5-Chloropyrid-2yl) 5-hydroxy-7-oxo-5,6-dihydropyrrolo-[3,4-b]-pyrazine with the CAS number 43200-81-3, there are other 58 providers with slightly different product names available for this CAS number.

Eszopiclone Impurity B

AK Scientific, Inc. +1 additional providers that we know from the past

Zopiclone EP Impurity B

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

+2 additional providers that we know from the past

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

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

BLD Pharmatech Ltd +1 additional providers that we know from the past