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947258-69-7

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947258-69-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 947258-69-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,7,2,5 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 947258-69:
(8*9)+(7*4)+(6*7)+(5*2)+(4*5)+(3*8)+(2*6)+(1*9)=217
217 % 10 = 7
So 947258-69-7 is a valid CAS Registry Number.

947258-69-7Relevant articles and documents

Copper-catalyzed tethered aziridination of unsaturated N-tosyloxy carbamates

Liu, Renmao,Herron, Steven R.,Fleming, Steven A.

, p. 5587 - 5591 (2008/02/09)

(Chemical Equation Presented) Aziridines were formed by copper-catalyzed intramolecular nitrene addition to alkenes. The carbamate group was used as the tether between the alkene and the nitrene. Subsequent nucleophilic attack of the aziridine was accomplished using RSH, R2NH, N3 -, or ROH as the nucleophile. This addition was found to be regio- and stereoselective. This methodology has been used to demonstrate its utility in the regio-and stereoselective synthesis of a 1,2-diamino-3- hydroxycyclohexane. This substitution pattern is found in natural products such as Tamiflu.

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