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609784-58-9

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609784-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 609784-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,9,7,8 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 609784-58:
(8*6)+(7*0)+(6*9)+(5*7)+(4*8)+(3*4)+(2*5)+(1*8)=199
199 % 10 = 9
So 609784-58-9 is a valid CAS Registry Number.

609784-58-9Relevant articles and documents

Gold-Catalyzed Hydroarylation of N-Aryl Alkynamides for the Synthesis of 2-Quinolinones

Vacala, Taylor,Bejcek, Lauren P.,Williams, Chloé G.,Williamson, Alexandra C.,Vadola, Paul A.

, p. 2558 - 2569 (2017/03/14)

A mild method for the synthesis of 2-quinolinones via hydroarylation of N-aryl alkynamides is reported. While traditional methods have relied on the use of strong Br?nsted or Lewis acids, this report describes the development of mild reaction conditions that yield 2-quinolinones in good to excellent yield using a commercially available gold catalyst. Substrates bearing a variety of functional groups are presented, with N-substitution proving to be key to the reactivity of several substrates.

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