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1381842-09-6

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1381842-09-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1381842-09-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,8,4 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1381842-09:
(9*1)+(8*3)+(7*8)+(6*1)+(5*8)+(4*4)+(3*2)+(2*0)+(1*9)=166
166 % 10 = 6
So 1381842-09-6 is a valid CAS Registry Number.

1381842-09-6Downstream Products

1381842-09-6Relevant articles and documents

Copper-catalyzed domino synthesis of isoquinolino[2,3-a]quinazolinones

Liu, Tao,Zhu, Chongyu,Yang, Haijun,Fu, Hua

, p. 1579 - 1584 (2012)

A copper-catalyzed domino method for synthesis of isoquinolino[2,3-a] quinazolinones has been developed using readily available, substituted methyl 2-(2-haloobenzamido)benzoates and nitriles as the starting materials. The domino process comprises an Ullmann-type C-arylation, intramolecular addition of NH with CN, and nucleophilic attack of amino to ester group. The inexpensive, convenient and efficient copper-catalyzed method should provide a new and useful strategy for constructing nitrogen heterocycles. Copyright

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