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104438-58-6

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104438-58-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104438-58-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,4,3 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 104438-58:
(8*1)+(7*0)+(6*4)+(5*4)+(4*3)+(3*8)+(2*5)+(1*8)=106
106 % 10 = 6
So 104438-58-6 is a valid CAS Registry Number.

104438-58-6Relevant articles and documents

Chiral Induction in Photochemical Reactions, VI. - Asymmetric Control of the Addition of Hemipinacol Radicals to Chiral Maleates and Fumarates

Vassen, Reiner,Runsink, Jan,Scharf, Hans-Dieter

, p. 3492 - 3497 (2007/10/02)

The photocatalysed addition of 2-propanol (2) to the monoesters of maleic acid 1b and 1d yields the esters of terebic acid 5b and 5d with a diastereoselectivity up to 62percent de.The major diastereomer 5d has (2S)-configuration.Diastereoselectivity of 23

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