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107292-04-6

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107292-04-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107292-04-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,2,9 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 107292-04:
(8*1)+(7*0)+(6*7)+(5*2)+(4*9)+(3*2)+(2*0)+(1*4)=106
106 % 10 = 6
So 107292-04-6 is a valid CAS Registry Number.

107292-04-6Relevant articles and documents

Facile synthesis of 2-arylpyrroles from 4-oxo-butanoic acids and their use in the preparation of bis(pyrrolyl)methanes

Jones, David J.,Gibson, Vernon C.

, p. 1121 - 1138 (2007/10/03)

A range of 3-aroyl-propionic acids have been cyclised to unsaturated lactones which, upon reduction using DIBAL-H and reaction with an ammonia source, gave 2-arylpyrroles (Ar = Ph, 1-naphthyl, o-phenoxyphenyl and 4-methyl-2-methylsulfanylphenyl) in excellent yields. Reaction of 2,6-disubstituted aroylpropanals (Ar = 2,4,6-Me3C6H2, anthracenyl and 2-Me-naphthalen-1-yl) with an ammonia source failed to generate pyrroles. The arylpyrroles react readily with ketones or aldehydes in ethanol or under eutectic mix melt conditions to give bis-(pyrrolyl)methanes in excellent isolated yields.

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