Cas 504413-90-5,2-trifluoromethanesulfonyloxy-6-bromobenzaldehyde

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Check Digit Verification of cas no

The CAS Registry Mumber 504413-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,4,4,1 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 504413-90:
(8*5)+(7*0)+(6*4)+(5*4)+(4*1)+(3*3)+(2*9)+(1*0)=115
115 % 10 = 5
So 504413-90-5 is a valid CAS Registry Number.

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504413-90-5Relevant articles and documents

Studies on the selective intramolecular biaryl coupling reaction of 2-triflyloxy-6-halobenzanilides using a palladium reagent

Harayama, Takashi,Toko, Hiroko,Kubota, Kyoko,Nishioka, Hiromi,Abe, Hitoshi,Takeuchi, Yasuo

, p. 175 - 181 (2007/10/03)

The aryl-aryl coupling reaction of 2-triflyloxy-6-halobenzanilides using a palladium reagent under several reaction conditions was examined. The 6-iodo compound gave triflyloxyphenanthridone selectively in excellent yield under the conditions for the ordi

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504413-90-5