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1233533-82-8

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1233533-82-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1233533-82-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,5,3 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1233533-82:
(9*1)+(8*2)+(7*3)+(6*3)+(5*5)+(4*3)+(3*3)+(2*8)+(1*2)=128
128 % 10 = 8
So 1233533-82-8 is a valid CAS Registry Number.

1233533-82-8Downstream Products

1233533-82-8Relevant articles and documents

2,3-disubstituted indoles via palladium-catalyzed reaction of 2-alkynyltrifluoroacetanilides with arenediazonium tetrafluoroborates

Cacchi, Sandro,Fabrizi, Giancarlo,Goggiamani, Antonella,Perboni, Alcide,Sferrazza, Alessio,Stabile, Paolo

supporting information; experimental part, p. 3279 - 3281 (2010/10/02)

(Figure Presented) A novel palladium-catalyzed synthesis of free N-H 2,3-disubstituted indoles from arenediazonium tetrafluoroborates and 2-alkynyltrifluoroacetanilides is presented. The reaction tolerates a variety of useful substituents both in the starting alkyne and the arenediazonium salt, including bromo and chloro substituents, nitro, cyano, keto, ester, and ether groups, as well as ortho substituents such as methoxy and methyl groups.

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