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5-(4-Bromo-benzoyl)-pyrazine-2-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

118544-03-9

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118544-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118544-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,5,4 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 118544-03:
(8*1)+(7*1)+(6*8)+(5*5)+(4*4)+(3*4)+(2*0)+(1*3)=119
119 % 10 = 9
So 118544-03-9 is a valid CAS Registry Number.

118544-03-9Relevant academic research and scientific papers

A New, Convenient Synthesis of Monoaroylpyrazines via Homolytic Substitution

Heinisch, G.,Loetsch, G.

, p. 119 - 121 (1988)

Reactions of 2-pyrazinecarboxylic acid (1) with aroyl radicals to give 5-aroyl-2-pyrazinecarboxylic acids 3 followed by decarboxylation provide convenient access to aryl 2-pyrazinyl ketones (2-aroylpyrazines) 4.

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