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1393670-44-4

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1393670-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1393670-44-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,6,7 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1393670-44:
(9*1)+(8*3)+(7*9)+(6*3)+(5*6)+(4*7)+(3*0)+(2*4)+(1*4)=184
184 % 10 = 4
So 1393670-44-4 is a valid CAS Registry Number.

1393670-44-4Relevant articles and documents

New methods for the preparation of aryl 2-iminoimidazolidines

O'Donovan, Daniel H.,Rozas, Isabel

supporting information; experimental part, p. 4532 - 4535 (2012/10/07)

A divergent strategy for the synthesis of 1-aryl- and 2-aryl-2- iminoimidazolidines is presented. Cyclization of N-Boc-N′-aryl-N″- (2-hydroxyethyl)guanidines in the presence of methanesulfonyl chloride and triethylamine or sodium hydride at 0 °C affords the corresponding 2-iminoimidazolidines in good yields.

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