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134903-77-8

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134903-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134903-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,9,0 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134903-77:
(8*1)+(7*3)+(6*4)+(5*9)+(4*0)+(3*3)+(2*7)+(1*7)=128
128 % 10 = 8
So 134903-77-8 is a valid CAS Registry Number.

134903-77-8Downstream Products

134903-77-8Relevant articles and documents

A NEW METHOD FOR THE SYNTHESIS OF N-ARYLPHTHALISOIMIDES

Guirado, Antonio,Zapata, Andres,Fenor, Manuel

, p. 2633 - 2636 (2007/10/02)

N-arylphthalisoimides have been synthesized in almost quantitative yields by the reaction, under very mild conditions, of 3,3-dichlorphthalide with aromatic amines.

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