Cas 1152309-97-1,C17H10BrF3N2O2

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Check Digit Verification of cas no

The CAS Registry Mumber 1152309-97-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,2,3,0 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1152309-97:
(9*1)+(8*1)+(7*5)+(6*2)+(5*3)+(4*0)+(3*9)+(2*9)+(1*7)=131
131 % 10 = 1
So 1152309-97-1 is a valid CAS Registry Number.

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1152309-97-1Relevant articles and documents

Stereoselective oxindole synthesis by palladium-catalyzed cyclization reaction of 2-(alkynyl)aryl isocyanates with amides

Miura, Tomoya,Toyoshima, Takeharu,Takahashi, Yusuke,Murakami, Masahiro

supporting information; experimental part, p. 2141 - 2143 (2009/09/25)

A new cyclization reaction occurred on treatment of 2-(alkynyl)aryl isocyanates with amides in the presence of a palladium(0)/diphosphine catalyst to stereoselectively form 3-(amidoalkylidene)oxindoles. A carbon-nitrogen bond as well as a carbon-carbon bo

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1152309-97-1