Cas 130913-72-3,1-Benzyl-4-(tert-butyl-dimethyl-silanyloxy)-piperidine-2,6-dione

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Check Digit Verification of cas no

The CAS Registry Mumber 130913-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,9,1 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130913-72:
(8*1)+(7*3)+(6*0)+(5*9)+(4*1)+(3*3)+(2*7)+(1*2)=103
103 % 10 = 3
So 130913-72-3 is a valid CAS Registry Number.

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130913-72-3Relevant academic research and scientific papers

Axial Preference of Bulky Group- and Electron-Withdrawing Group-Substituted Oxygen Atom on the Chair-Type-Cyclohexanone, -Glutaric Anhydride, and -Glutarimide

Nagao, Yoshimitsu,Goto, Michimasa,Ochiai, Masahito,Shiro, Motoo

, p. 1503 - 1506 (1990)

Axial preference (> ca. 70percent at 25 deg C) of alkoxy and silyloxy groups of the chair-type six-membered cyclic compounds has been clarified by the 1H-NMR bandwidth measurement method.Based on the X-ray analysis of 4-substituted cyclohexanones, it has been disclosed that the cyclohexanone ring adopts chair form and the 4-substituent occupies the axial site in all cases.

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