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149379-70-4

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149379-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149379-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,3,7 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 149379-70:
(8*1)+(7*4)+(6*9)+(5*3)+(4*7)+(3*9)+(2*7)+(1*0)=174
174 % 10 = 4
So 149379-70-4 is a valid CAS Registry Number.

149379-70-4Relevant articles and documents

Synthesis of 2-Cyanamino-4,6-diphenylpyridine-3-carbonitrile

Victory, Pedro,Borrell, Jose I.,Cirujeda, Joan,Vidal-Ferran, Anton

, p. 777 - 783 (2007/10/02)

The nucleophilic displacement of bromo, alkylthio and alkylsulphonyl groups from pyridine systems by cyanamide is studied in order to obtain a previously unreported 2-cyanaminopyridine-3-carbonitrile.A one-step synthesis of the same compound by cyclization in basic medium of the non-isolated Michael adduct of (E)-1,3-diphenylpropenone and propanedinitrile is also described.

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