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1235712-55-6

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1235712-55-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1235712-55-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,5,7,1 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1235712-55:
(9*1)+(8*2)+(7*3)+(6*5)+(5*7)+(4*1)+(3*2)+(2*5)+(1*5)=136
136 % 10 = 6
So 1235712-55-6 is a valid CAS Registry Number.

1235712-55-6Downstream Products

1235712-55-6Relevant articles and documents

Iridium-catalyzed annulation of N -arylcarbamoyl chlorides with internal alkynes

Iwai, Tomohiro,Fujihara, Tetsuaki,Terao, Jun,Tsuji, Yasushi

supporting information; experimental part, p. 9602 - 9603 (2010/08/22)

An iridium complex successfully catalyzed the annulation of various N-arylcarbamoyl chlorides with internal alkynes to afford 2-quinolones in good to excellent yields. The present reaction is widely applicable to substrates with various functionalities. An amide-iridacycle complex was isolated, and it is likely that such an iridacycle species is a key intermediate in the catalytic reaction.

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