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536973-09-8

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536973-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 536973-09-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,6,9,7 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 536973-09:
(8*5)+(7*3)+(6*6)+(5*9)+(4*7)+(3*3)+(2*0)+(1*9)=188
188 % 10 = 8
So 536973-09-8 is a valid CAS Registry Number.

536973-09-8Relevant articles and documents

Reaction of α-oxoketene-N,S-arylaminoacetals with Vilsmeier reagents: An efficient route to highly functionalized quinolines and their benzo/hetero-fused analogues

Mahata,Venkatesh,Syam Kumar,Ila,Junjappa

, p. 3966 - 3975 (2007/10/03)

A simple, highly efficient, and regioselective synthesis of functionalized quinolines through Vilsmeier cyclization of a variety of α-oxoketene-N,S-anilinoacetals has been reported. The cyclization is found to be facile with N,S-acetals bearing strongly a

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