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203444-38-6

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203444-38-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203444-38-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,4,4 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 203444-38:
(8*2)+(7*0)+(6*3)+(5*4)+(4*4)+(3*4)+(2*3)+(1*8)=96
96 % 10 = 6
So 203444-38-6 is a valid CAS Registry Number.

203444-38-6Relevant articles and documents

Electrochemical generation of 4-amino-2-aryl-2-oxazolines

Guirado, Antonio,Andreu, Raquel,Gálvez, Jesús,Jones, Peter G

, p. 9853 - 9858 (2007/10/03)

A convenient method for the synthesis of the title compounds has been established. Chloralbenzamides were efficiently converted to N-(1-amino-2,2-dichloroethyl)benzamides which were directly transformed to 4-amino-2-aryl-2-oxazolines in fair to good yields by electrochemical reduction in an aprotic medium under constant cathodic potential. The molecular structure of the electrolysis products has been corroborated by X-ray crystallographic analysis of 4-(1-benzyl-3-phenylureido)-2-phenyl-2-oxazoline.

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