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1428943-64-9

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1428943-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428943-64-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,9,4 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1428943-64:
(9*1)+(8*4)+(7*2)+(6*8)+(5*9)+(4*4)+(3*3)+(2*6)+(1*4)=189
189 % 10 = 9
So 1428943-64-9 is a valid CAS Registry Number.

1428943-64-9Relevant articles and documents

An expedient route to imidazo[1,4]diazepin-7-ones via a post-Ugi gold-catalyzed heteroannulation

Kumar, Amit,Li, Zhenghua,Sharma, Sunil K.,Parmar, Virinder S.,Van Der Eycken, Erik V.

supporting information, p. 1874 - 1877 (2013/06/04)

A novel diversity-oriented post-Ugi/gold(I)-catalyzed heteroannulation process for the synthesis of imidazo[1,4]diazepin-7-ones is elaborated. The scope and limitations of the protocol are discussed.

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