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31952-49-5

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31952-49-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31952-49-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,9,5 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31952-49:
(7*3)+(6*1)+(5*9)+(4*5)+(3*2)+(2*4)+(1*9)=115
115 % 10 = 5
So 31952-49-5 is a valid CAS Registry Number.

31952-49-5Downstream Products

31952-49-5Relevant articles and documents

Catalytic transformation of esters of 1,2-azido alcohols into α-amido ketones

Kim, Yongjin,Pak, Han Kyu,Rhee, Young Ho,Park, Jaiwook

, p. 6549 - 6552 (2016)

The esters of 1,2-azido alcohols were transformed into α-amido ketones without external oxidants through the Ru-catalyzed formation of N-H imines with the liberation of N2 followed by intramolecular migration of the acyl moiety. A wide range of α-amido ketones were obtained, and one-pot transformation into the corresponding oxazoles (or a thiazole) was demonstrated.

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