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1187828-76-7

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1187828-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1187828-76-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,8,2 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1187828-76:
(9*1)+(8*1)+(7*8)+(6*7)+(5*8)+(4*2)+(3*8)+(2*7)+(1*6)=207
207 % 10 = 7
So 1187828-76-7 is a valid CAS Registry Number.

1187828-76-7Downstream Products

1187828-76-7Relevant articles and documents

Room temperature copper(II)-catalyzed oxidative cyclization of enamides to 2,5-disubstituted oxazoles via vinylic C-H functionalization

Cheung, Chi Wai,Buchwald, Stephen L.

, p. 7526 - 7537 (2012/10/30)

A copper(II)-catalyzed oxidative cyclization of enamides to oxazoles via vinylic C-H bond functionalization at room temperature is described. Various 2,5-disubstituted oxazoles bearing aryl, vinyl, alkyl, and heteroaryl substituents could be synthesized in moderate to high yields. This reaction protocol is complementary to our previously reported iodine-mediated cyclization of enamides to afford 2,4,5-trisubstituted oxazoles.

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