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51619-51-3

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51619-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51619-51-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,1 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51619-51:
(7*5)+(6*1)+(5*6)+(4*1)+(3*9)+(2*5)+(1*1)=113
113 % 10 = 3
So 51619-51-3 is a valid CAS Registry Number.

51619-51-3Upstream product

51619-51-3Relevant articles and documents

Silver(II) oxide-mediated synthesis of 2,4-diarylquinazolines

Cheung, Wing,Patch, Raymond J.,Player, Mark R.

, p. 2368 - 2371 (2018)

A single-pot procedure for the synthesis of 2,4-diarylquinazolines is described which involves a silver oxide-mediated C–H activation/C–N bond formation process. The generality of this method with respect to substituent effects is presented along with studies leading to process optimization. Mechanistic investigations provide support for the involvement of radical intermediates in the reaction process.

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