Cas 1146221-11-5,C17H28O2

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Check Digit Verification of cas no

The CAS Registry Mumber 1146221-11-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,6,2,2 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1146221-11:
(9*1)+(8*1)+(7*4)+(6*6)+(5*2)+(4*2)+(3*1)+(2*1)+(1*1)=105
105 % 10 = 5
So 1146221-11-5 is a valid CAS Registry Number.

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1146221-11-5Relevant articles and documents

A simple and efficient procedure for the synthesis of ketone di-sec-alkyl acetals

Ono, Fumiaki,Takenaka, Hirotaka,Eguchi, Yuko,Endo, Masato,Sato, Tsuneo

experimental part, p. 487 - 489 (2009/09/08)

Ketone di-sec-alkyl acetals are obtained in good to excellent yields by treatment of ketones with tri-sec-alkyl orthoformate and the corresponding alcohol in the presence of a catalytic amount of cerium(III) trifluoromethanesulfonate. Georg Thieme Verlag

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1146221-11-5