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133156-67-9

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133156-67-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133156-67-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,1,5 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 133156-67:
(8*1)+(7*3)+(6*3)+(5*1)+(4*5)+(3*6)+(2*6)+(1*7)=109
109 % 10 = 9
So 133156-67-9 is a valid CAS Registry Number.

133156-67-9Downstream Products

133156-67-9Relevant articles and documents

Organosilanes cycliques fonctionnels pentacoordonnes O,O disubstitues

Arya, Prabhat,Corriu, Robert J.P.,Gupta, Krishna,Lanneau, Gerard F.,Yu, Zhifang

, p. 11 - 33 (2007/10/02)

Various pentacoordinated 1,3,2 dioxosilaheterocycles are obtained by dehydrocondensation of diols, diphenols, or more generally bifunctional H-acidic materials with aminoarylhydrosilanes, in neutral conditions.The intramolecular nucleophilic ligands activ

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