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148891-53-6

148891-53-6

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148891-53-6 Usage

Chemical Properties

Yellow Solid

Uses

Eszopiclone Impurity C.

Check Digit Verification of cas no

The CAS Registry Mumber 148891-53-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,8,9 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 148891-53:
(8*1)+(7*4)+(6*8)+(5*8)+(4*9)+(3*1)+(2*5)+(1*3)=176
176 % 10 = 6
So 148891-53-6 is a valid CAS Registry Number.
InChI:InChI=1/C11H7ClN4O/c12-7-1-2-9(15-5-7)16-6-8-10(11(16)17)14-4-3-13-8/h1-5H,6H2

148891-53-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 6-(5-chloropyridin-2-yl)-7H-pyrrolo[3,4-b]pyrazin-5-one

1.2 Other means of identification

Product number -
Other names UNII-5IHV56HP9P

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:148891-53-6 SDS

148891-53-6Downstream Products

148891-53-6Relevant articles and documents

Preparation method of dexzopiclone photodegradation impurity

-

Paragraph 0017; 0019; 0021; 0023, (2020/12/30)

The invention relates to a preparation method of a dexzopiclone photodegradable impurity, and belongs to the technical field of chemical synthesis. The invention relates to a preparation method of 6-(5-chloropyridin-2-yl)-6, 7-dihydro-5H-pyrrolo [3, 4-b] pyrazin-5-one (compound I), which is prepared by reacting a compound II or a compound III with diisobutylaluminum hydride under certain conditions. The invention provides a synthetic method of the 6-(5-chloropyridin-2-yl)-6, 7-dihydro-5H-pyrrolo [3, 4-b] pyrazin-5-one (compound I), which is reasonable in process, mild in condition and simple and convenient to operate, and the method is simple to operate and has a certain commercial value.

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