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128942-76-7

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128942-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128942-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,4 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128942-76:
(8*1)+(7*2)+(6*8)+(5*9)+(4*4)+(3*2)+(2*7)+(1*6)=157
157 % 10 = 7
So 128942-76-7 is a valid CAS Registry Number.

128942-76-7Downstream Products

128942-76-7Relevant articles and documents

Condensed Heteroaromatic Ring Systems; XVII: Palladium-Catalyzed Cyclization of β-(2-Halophenyl)amino Substituted α,β-Unsaturated Ketones and Esters to 2,3-Disubstituted Indoles

Sakamoto, Takao,Nagano, Tatsuo,Kondo, Yoshinori,Yamanaka, Hiroshi

, p. 215 - 218 (2007/10/02)

Palladium-catalyzed cyclization of β-(2-halophenyl)amino substituted α,β-unsaturated ketones and esters, prepared from 2-haloanilines by three different methods, gave 2,3-disubstituted indoles.

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