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63499-93-4

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63499-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63499-93-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,4,9 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 63499-93:
(7*6)+(6*3)+(5*4)+(4*9)+(3*9)+(2*9)+(1*3)=164
164 % 10 = 4
So 63499-93-4 is a valid CAS Registry Number.

63499-93-4Relevant 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 (2016/06/01)

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.

NOUVELLE METHODE DE PREPARATION DE CETONES, ESTER ET NITRILE BENZYLIQUES α-FLUORES OU α,α-DIFLUORES

Laurent, E.,Marquet, B.,Tardivel, R.,Thiebault, H.

, p. 2359 - 2362 (2007/10/02)

By anodic oxidation in CH3CN/Et3N, 3HF benzylic ketones, ester and nitrile yield specifically corresponding monofluoro or difluoro compounds.The reaction proceeds through an α-carbonyl or an α-cyano carbocation.

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