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51925-43-0

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51925-43-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51925-43-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,2 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 51925-43:
(7*5)+(6*1)+(5*9)+(4*2)+(3*5)+(2*4)+(1*3)=120
120 % 10 = 0
So 51925-43-0 is a valid CAS Registry Number.

51925-43-0Relevant articles and documents

Synthesis of 2,3-dihydrothieno(2,3-b)quinolines and thieno(2,3-b)-quinolines via an unexpected domino aza-MBH/alkylation/aldol reaction

Wei, Pei-Shun,Wang, Meng-Xue,Xu, Dong-Cheng,Xie, Jian-Wu

, p. 1216 - 1222 (2016/02/16)

An efficient, mild, and convenient method for the preparation of 2,3-dihydrothieno(2,3-b)quinolines and thieno(2,3-b)-quinolines via an unexpected domino aza-Morita-Baylis-Hillman/alkylation/aldol reaction has been developed. The plausible mechanisms for the unexpected reaction are also given.

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