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1173188-97-0

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1173188-97-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1173188-97-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,1,8 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1173188-97:
(9*1)+(8*1)+(7*7)+(6*3)+(5*1)+(4*8)+(3*8)+(2*9)+(1*7)=170
170 % 10 = 0
So 1173188-97-0 is a valid CAS Registry Number.

1173188-97-0Downstream Products

1173188-97-0Relevant articles and documents

TfOH-catalyzed formal [3+2] cycloaddition of N-tosylaziridine dicarboxylates and nitriles: Synthesis of tetrafunctionalized 2-imidazolines

Zuo, Qinglu,Shi, Zhichao,Zhan, Feng,Wang, Zhe,Lin, Jin-Shun,Jiang, Yuyang

, (2020)

We developed an efficient method for synthesis of tetrafunctionalized 2-imidazolines using TfOH-catalyzed formal [3+2] cycloaddition of N-tosylaziridine dicarboxylates and nitriles. This is the first report of C–N bond cleavage of N-tosylaziridine dicarboxylates catalyzed by Br?nsted acid and the reaction worked well over wide scope of substrates in good to excellent yields under mild conditions. The method has the potential to be applied to pharmaceutical design and synthesis of tetrafunctionalized 2-imidazolines.

Facile iodine(III)-induced oxidative cycloaddition of N-sulfonyl imines with methylene compounds under neutral conditions

Fan, Renhua,Wang, Linfei,Ye, Yang,Zhang, Jin

experimental part, p. 3857 - 3859 (2009/10/11)

An efficient oxidative cycloaddition of N-sulfonyl imines with methylene compounds using PhIO with a catalytic amount of KI under neutral conditions, which affords 2,2-difunctionalized aziridines in good to excellent yields, is reported.

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